x^2+6x=-3x-14

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Solution for x^2+6x=-3x-14 equation:


Simplifying
x2 + 6x = -3x + -14

Reorder the terms:
6x + x2 = -3x + -14

Reorder the terms:
6x + x2 = -14 + -3x

Solving
6x + x2 = -14 + -3x

Solving for variable 'x'.

Reorder the terms:
14 + 6x + 3x + x2 = -14 + -3x + 14 + 3x

Combine like terms: 6x + 3x = 9x
14 + 9x + x2 = -14 + -3x + 14 + 3x

Reorder the terms:
14 + 9x + x2 = -14 + 14 + -3x + 3x

Combine like terms: -14 + 14 = 0
14 + 9x + x2 = 0 + -3x + 3x
14 + 9x + x2 = -3x + 3x

Combine like terms: -3x + 3x = 0
14 + 9x + x2 = 0

Factor a trinomial.
(7 + x)(2 + x) = 0

Subproblem 1

Set the factor '(7 + x)' equal to zero and attempt to solve: Simplifying 7 + x = 0 Solving 7 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + x = 0 + -7 x = 0 + -7 Combine like terms: 0 + -7 = -7 x = -7 Simplifying x = -7

Subproblem 2

Set 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

Solution

x = {-7, -2}

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