-x^2=-x-30

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Solution for -x^2=-x-30 equation:


Simplifying
-1x2 = -1x + -30

Reorder the terms:
-1x2 = -30 + -1x

Solving
-1x2 = -30 + -1x

Solving for variable 'x'.

Reorder the terms:
30 + x + -1x2 = -30 + -1x + 30 + x

Reorder the terms:
30 + x + -1x2 = -30 + 30 + -1x + x

Combine like terms: -30 + 30 = 0
30 + x + -1x2 = 0 + -1x + x
30 + x + -1x2 = -1x + x

Combine like terms: -1x + x = 0
30 + x + -1x2 = 0

Factor a trinomial.
(6 + -1x)(5 + x) = 0

Subproblem 1

Set the factor '(6 + -1x)' equal to zero and attempt to solve: Simplifying 6 + -1x = 0 Solving 6 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + -1x = 0 + -6 Combine like terms: 6 + -6 = 0 0 + -1x = 0 + -6 -1x = 0 + -6 Combine like terms: 0 + -6 = -6 -1x = -6 Divide each side by '-1'. x = 6 Simplifying x = 6

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 = {6, -5}

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