-2x^2+20x=32

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Solution for -2x^2+20x=32 equation:


Simplifying
-2x2 + 20x = 32

Reorder the terms:
20x + -2x2 = 32

Solving
20x + -2x2 = 32

Solving for variable 'x'.

Reorder the terms:
-32 + 20x + -2x2 = 32 + -32

Combine like terms: 32 + -32 = 0
-32 + 20x + -2x2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(-16 + 10x + -1x2) = 0

Factor a trinomial.
2((-8 + x)(2 + -1x)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-8 + x)' equal to zero and attempt to solve: Simplifying -8 + x = 0 Solving -8 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '8' to each side of the equation. -8 + 8 + x = 0 + 8 Combine like terms: -8 + 8 = 0 0 + x = 0 + 8 x = 0 + 8 Combine like terms: 0 + 8 = 8 x = 8 Simplifying x = 8

Subproblem 2

Set the factor '(2 + -1x)' equal to zero and attempt to solve: Simplifying 2 + -1x = 0 Solving 2 + -1x = 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 + -1x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1x = 0 + -2 -1x = 0 + -2 Combine like terms: 0 + -2 = -2 -1x = -2 Divide each side by '-1'. x = 2 Simplifying x = 2

Solution

x = {8, 2}

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