x^2=-16x-28

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Solution for x^2=-16x-28 equation:


Simplifying
x2 = -16x + -28

Reorder the terms:
x2 = -28 + -16x

Solving
x2 = -28 + -16x

Solving for variable 'x'.

Reorder the terms:
28 + 16x + x2 = -28 + -16x + 28 + 16x

Reorder the terms:
28 + 16x + x2 = -28 + 28 + -16x + 16x

Combine like terms: -28 + 28 = 0
28 + 16x + x2 = 0 + -16x + 16x
28 + 16x + x2 = -16x + 16x

Combine like terms: -16x + 16x = 0
28 + 16x + x2 = 0

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

Subproblem 1

Set the factor '(14 + x)' equal to zero and attempt to solve: Simplifying 14 + x = 0 Solving 14 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-14' to each side of the equation. 14 + -14 + x = 0 + -14 Combine like terms: 14 + -14 = 0 0 + x = 0 + -14 x = 0 + -14 Combine like terms: 0 + -14 = -14 x = -14 Simplifying x = -14

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 = {-14, -2}

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