(5x+4)(5x+4)=81

Simple and best practice solution for (5x+4)(5x+4)=81 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for (5x+4)(5x+4)=81 equation:


Simplifying
(5x + 4)(5x + 4) = 81
Reorder the terms:
(4 + 5x)(5x + 4) = 81
Reorder the terms:
(4 + 5x)(4 + 5x) = 81
Multiply (4 + 5x) * (4 + 5x)
(4(4 + 5x) + 5x * (4 + 5x)) = 81
((4 * 4 + 5x * 4) + 5x * (4 + 5x)) = 81
((16 + 20x) + 5x * (4 + 5x)) = 81
(16 + 20x + (4 * 5x + 5x * 5x)) = 81
(16 + 20x + (20x + 25x2)) = 81
Combine like terms: 20x + 20x = 40x
(16 + 40x + 25x2) = 81
Solving
16 + 40x + 25x2 = 81
Solving for variable 'x'.
Reorder the terms:
16 + -81 + 40x + 25x2 = 81 + -81
Combine like terms: 16 + -81 = -65
-65 + 40x + 25x2 = 81 + -81
Combine like terms: 81 + -81 = 0
-65 + 40x + 25x2 = 0
Factor out the Greatest Common Factor (GCF), '5'.
5(-13 + 8x + 5x2) = 0
Factor a trinomial.
5((-13 + -5x)(1 + -1x)) = 0
Ignore the factor 5.

Subproblem 1

Set the factor '(-13 + -5x)' equal to zero and attempt to solve: Simplifying -13 + -5x = 0 Solving -13 + -5x = 0 Move all terms containing x to the left, all other terms to the right. Add '13' to each side of the equation. -13 + 13 + -5x = 0 + 13 Combine like terms: -13 + 13 = 0 0 + -5x = 0 + 13 -5x = 0 + 13 Combine like terms: 0 + 13 = 13 -5x = 13 Divide each side by '-5'. x = -2.6 Simplifying x = -2.6

Subproblem 2

Set the factor '(1 + -1x)' equal to zero and attempt to solve: Simplifying 1 + -1x = 0 Solving 1 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -1x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -1x = 0 + -1 -1x = 0 + -1 Combine like terms: 0 + -1 = -1 -1x = -1 Divide each side by '-1'. x = 1 Simplifying x = 1

Solution

x = {-2.6, 1}

You can always share this solution

See similar equations:

| 65=0.2(w-10(4)) | | 2x-3(x+r)=-5 | | 49-14y-y^2=0 | | 65=0.2(w-10e) | | X=3t+4 | | S=0.2(w-10e) | | (x+8)+(13x-7)=15 | | 23x-3=78 | | (2-x)(x^2-9)=0 | | 28x-7=26x-5 | | ln(2x+5)=ln(6x-1) | | 5-3k+7-9k= | | -n^2+12n-63=-4n^2 | | 5r(r-8)=0 | | 49-2=3a-10a | | -4+5y=-14 | | 13x^2-7100x=420000 | | -5-4y=3 | | 13x^2-2900x=210000 | | G+4h=180 | | 4+2(x+10)=50 | | -22=8y+6(y+8) | | 4x^2=-25+20x | | 8-58=-3(-3m)-8(2m)+2m | | -6x+4(x-8)=-20 | | (3+v)(5v+9)=0 | | 55=0.2(285-10e) | | (3.08+x)=3.5 | | 5r^2+7r-5=12 | | 4x+x+10=100 | | (x)=9/x-7 | | 2y/5-3x/4=1/2 | | X^2+34x+156=0 | | 19=5(v+5)-2v | | (x-4y)(4x+3)= | | D=26t^2 | | y=(x+1)(x+4) | | -2x^2+40x-202=0 | | 2x^3-8x^2+30x+16=0 | | 285=0.2(55-10e) | | 12c^2-12d^2=c^2-2cd+d^2 | | 1/2x-10=3/4 | | 3(x^4)=27 | | 3x(x^4)=27 | | (5/8)/(3/14) | | 0.05+0.2x=1.95 | | 0.4x+0.9y=3.6 | | -16=4(x-6)-8x | | 16u^6-10u^4/2u^3 | | 18m-(16mn+14n)= | | (5/8)÷(3/14) | | 2/5c=11 | | -2.5(0)-64=y | | 0/-2cd | | cos(40)=33/x | | v^2+12v-42=3 | | 0-6.1y-4.8=0 | | (Y-k)h=c | | 9.9x-0-4.8=0 | | 9.9x-6.1y-4.8=0 | | 149000=(1/X) | | 1/4v-7/8=-3/2 | | 0=-1w^2+10w | | 5(2x-1)=6(2x+5) | | 12d+15=7d |


Related pages


what is the prime factorization of 112what is the gcf of 96 48 and 84sin3x 14y 6x 230x500what is the prime factorization of 1442xy x yadding and subtracting fractions calculator shows workfactors of96is239what is 1e9y 3x 3 graphsin 3x derivativewhat is the prime factorization of 522x squared x 3prime factorization for 175solve 3x 2y 63.5 percent as a decimal222 22222multiply multiple fractions calculatorfind the prime factorization of 70what is the prime factorization of 300least common multiple fractions calculatordividing by fractions calculator627.258cm to inchesgraph 4x 2y 6log2 log5solve sin3x 1graph the equation y 2x 3solve percent problems calculatorderivative of cosx 2solve 2x x 3gcf of monomials calculatorabsolute value equations calculatorprime factorization of 88273.15 cdifferential of sinxselect one of the factors of 3x2 4x 4prime factorization of 69what is the greatest common factor of 56 and 427-1118g12s 10sderivative of 9x200-168bx15graph y 2 3x 12x 4y 16square root of 1681prime factors of 2452y 3x 1140 prime factorizationlcm 5 7derivative of ln 9x86x or 64xsolve y 2x-5derivative of xalcm 5 8math solutions calculatorfactor x 2-6xwhat is the prime factorization of 118what is 25 of 15solve y 3x 1find the greatest common factor calculatorwhat is the prime factorization of 722x y 7 solve for yprime factorization of 1473log22y x 1sinx graph