5x^2-108=-7x

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Solution for 5x^2-108=-7x equation:


Simplifying
5x2 + -108 = -7x

Reorder the terms:
-108 + 5x2 = -7x

Solving
-108 + 5x2 = -7x

Solving for variable 'x'.

Reorder the terms:
-108 + 7x + 5x2 = -7x + 7x

Combine like terms: -7x + 7x = 0
-108 + 7x + 5x2 = 0

Factor a trinomial.
(-27 + -5x)(4 + -1x) = 0

Subproblem 1

Set the factor '(-27 + -5x)' equal to zero and attempt to solve: Simplifying -27 + -5x = 0 Solving -27 + -5x = 0 Move all terms containing x to the left, all other terms to the right. Add '27' to each side of the equation. -27 + 27 + -5x = 0 + 27 Combine like terms: -27 + 27 = 0 0 + -5x = 0 + 27 -5x = 0 + 27 Combine like terms: 0 + 27 = 27 -5x = 27 Divide each side by '-5'. x = -5.4 Simplifying x = -5.4

Subproblem 2

Set the factor '(4 + -1x)' equal to zero and attempt to solve: Simplifying 4 + -1x = 0 Solving 4 + -1x = 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 + -1x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1x = 0 + -4 -1x = 0 + -4 Combine like terms: 0 + -4 = -4 -1x = -4 Divide each side by '-1'. x = 4 Simplifying x = 4

Solution

x = {-5.4, 4}

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