x(x+12)=-35

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Solution for x(x+12)=-35 equation: 


Simplifying
x(x + 12) = -35

Reorder the terms:
x(12 + x) = -35
(12 * x + x * x) = -35
(12x + x2) = -35

Solving
12x + x2 = -35

Solving for variable 'x'.

Reorder the terms:
35 + 12x + x2 = -35 + 35

Combine like terms: -35 + 35 = 0
35 + 12x + x2 = 0

Factor a trinomial.
(7 + x)(5 + 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 '(5 + x)' equal to zero and attempt to solve:

Simplifying
5 + x = 0

Solving
5 + x = 0

Move all terms containing x to the left, all other terms to the right.

Add '-5' to each side of the equation.
5 + -5 + x = 0 + -5

Combine like terms: 5 + -5 = 0
0 + x = 0 + -5
x = 0 + -5

Combine like terms: 0 + -5 = -5
x = -5

Simplifying
x = -5
Solution
x = {-7, -5}

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