# x*x+x*1+2*x+2*1=

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## Solution for x*x+x*1+2*x+2*1= equation:

Simplifying
x * x + x * 1 + 2x + 2 * 1 = 0
Multiply x * x
x2 + x * 1 + 2x + 2 * 1 = 0
Reorder the terms for easier multiplication:
x2 + 1x + 2x + 2 * 1 = 0
Multiply 2 * 1
x2 + 1x + 2x + 2 = 0
Reorder the terms:
2 + 1x + 2x + x2 = 0
Combine like terms: 1x + 2x = 3x
2 + 3x + x2 = 0
Solving
2 + 3x + x2 = 0
Solving for variable 'x'.
Factor a trinomial.
(2 + x)(1 + x) = 0
Subproblem 1Set the factor '(2 + x)' equal to zero and attempt to solve:
Simplifying
2 + x = 0
Solving
2 + x = 0
Move all terms containing x to the left, all other terms to the right.
Add '-2' to each side of the equation.
2 + -2 + x = 0 + -2
Combine like terms: 2 + -2 = 0
0 + x = 0 + -2
x = 0 + -2
Combine like terms: 0 + -2 = -2
x = -2
Simplifying
x = -2
Subproblem 2Set the factor '(1 + x)' equal to zero and attempt to solve:
Simplifying
1 + x = 0
Solving
1 + x = 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 + x = 0 + -1
Combine like terms: 1 + -1 = 0
0 + x = 0 + -1
x = 0 + -1
Combine like terms: 0 + -1 = -1
x = -1
Simplifying
x = -1Solutionx = {-2, -1}`