x(x+2)-168=0

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Solution for x(x+2)-168=0 equation:


Simplifying
x(x + 2) + -168 = 0

Reorder the terms:
x(2 + x) + -168 = 0
(2 * x + x * x) + -168 = 0
(2x + x2) + -168 = 0

Reorder the terms:
-168 + 2x + x2 = 0

Solving
-168 + 2x + x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-14 + -1x)(12 + -1x) = 0

Subproblem 1

Set the factor '(-14 + -1x)' equal to zero and attempt to solve: Simplifying -14 + -1x = 0 Solving -14 + -1x = 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 + -1x = 0 + 14 Combine like terms: -14 + 14 = 0 0 + -1x = 0 + 14 -1x = 0 + 14 Combine like terms: 0 + 14 = 14 -1x = 14 Divide each side by '-1'. x = -14 Simplifying x = -14

Subproblem 2

Set the factor '(12 + -1x)' equal to zero and attempt to solve: Simplifying 12 + -1x = 0 Solving 12 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-12' to each side of the equation. 12 + -12 + -1x = 0 + -12 Combine like terms: 12 + -12 = 0 0 + -1x = 0 + -12 -1x = 0 + -12 Combine like terms: 0 + -12 = -12 -1x = -12 Divide each side by '-1'. x = 12 Simplifying x = 12

Solution

x = {-14, 12}

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