(3x)2-x-4=0

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Solution for (3x)2-x-4=0 equation:


Simplifying
(3x) * 2 + -1x + -4 = 0
Remove parenthesis around (3x)
3x * 2 + -1x + -4 = 0
Reorder the terms for easier multiplication:
3 * 2x + -1x + -4 = 0
Multiply 3 * 2
6x + -1x + -4 = 0
Reorder the terms:
-4 + 6x + -1x = 0
Combine like terms: 6x + -1x = 5x
-4 + 5x = 0
Solving
-4 + 5x = 0
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '4' to each side of the equation.
-4 + 4 + 5x = 0 + 4
Combine like terms: -4 + 4 = 0
0 + 5x = 0 + 4
5x = 0 + 4
Combine like terms: 0 + 4 = 4
5x = 4
Divide each side by '5'.
x = 0.8
Simplifying
x = 0.8

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