-x^2=6x-27

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Solution for -x^2=6x-27 equation:


Simplifying
-1x2 = 6x + -27

Reorder the terms:
-1x2 = -27 + 6x

Solving
-1x2 = -27 + 6x

Solving for variable 'x'.

Reorder the terms:
27 + -6x + -1x2 = -27 + 6x + 27 + -6x

Reorder the terms:
27 + -6x + -1x2 = -27 + 27 + 6x + -6x

Combine like terms: -27 + 27 = 0
27 + -6x + -1x2 = 0 + 6x + -6x
27 + -6x + -1x2 = 6x + -6x

Combine like terms: 6x + -6x = 0
27 + -6x + -1x2 = 0

Factor a trinomial.
(3 + -1x)(9 + x) = 0

Subproblem 1

Set the factor '(3 + -1x)' equal to zero and attempt to solve: Simplifying 3 + -1x = 0 Solving 3 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -1x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1x = 0 + -3 -1x = 0 + -3 Combine like terms: 0 + -3 = -3 -1x = -3 Divide each side by '-1'. x = 3 Simplifying x = 3

Subproblem 2

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

Solution

x = {3, -9}

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