(x+2)(x+1)=-2x-2

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Solution for (x+2)(x+1)=-2x-2 equation:


Simplifying
(x + 2)(x + 1) = -2x + -2

Reorder the terms:
(2 + x)(x + 1) = -2x + -2

Reorder the terms:
(2 + x)(1 + x) = -2x + -2

Multiply (2 + x) * (1 + x)
(2(1 + x) + x(1 + x)) = -2x + -2
((1 * 2 + x * 2) + x(1 + x)) = -2x + -2
((2 + 2x) + x(1 + x)) = -2x + -2
(2 + 2x + (1 * x + x * x)) = -2x + -2
(2 + 2x + (1x + x2)) = -2x + -2

Combine like terms: 2x + 1x = 3x
(2 + 3x + x2) = -2x + -2

Reorder the terms:
2 + 3x + x2 = -2 + -2x

Solving
2 + 3x + x2 = -2 + -2x

Solving for variable 'x'.

Reorder the terms:
2 + 2 + 3x + 2x + x2 = -2 + -2x + 2 + 2x

Combine like terms: 2 + 2 = 4
4 + 3x + 2x + x2 = -2 + -2x + 2 + 2x

Combine like terms: 3x + 2x = 5x
4 + 5x + x2 = -2 + -2x + 2 + 2x

Reorder the terms:
4 + 5x + x2 = -2 + 2 + -2x + 2x

Combine like terms: -2 + 2 = 0
4 + 5x + x2 = 0 + -2x + 2x
4 + 5x + x2 = -2x + 2x

Combine like terms: -2x + 2x = 0
4 + 5x + x2 = 0

Factor a trinomial.
(4 + x)(1 + x) = 0

Subproblem 1

Set the factor '(4 + x)' equal to zero and attempt to solve: Simplifying 4 + x = 0 Solving 4 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + x = 0 + -4 x = 0 + -4 Combine like terms: 0 + -4 = -4 x = -4 Simplifying x = -4

Subproblem 2

Set 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 = -1

Solution

x = {-4, -1}

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