x^2+36=-13x

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Solution for x^2+36=-13x equation:


Simplifying
x2 + 36 = -13x

Reorder the terms:
36 + x2 = -13x

Solving
36 + x2 = -13x

Solving for variable 'x'.

Reorder the terms:
36 + 13x + x2 = -13x + 13x

Combine like terms: -13x + 13x = 0
36 + 13x + x2 = 0

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

Subproblem 1

Set the factor '(9 + x)' equal to zero and attempt to solve: Simplifying 9 + x = 0 Solving 9 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + x = 0 + -9 Combine like terms: 9 + -9 = 0 0 + x = 0 + -9 x = 0 + -9 Combine like terms: 0 + -9 = -9 x = -9 Simplifying x = -9

Subproblem 2

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

Solution

x = {-9, -4}

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