8x^2=-160+72x

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Solution for 8x^2=-160+72x equation:


Simplifying
8x2 = -160 + 72x

Solving
8x2 = -160 + 72x

Solving for variable 'x'.

Reorder the terms:
160 + -72x + 8x2 = -160 + 72x + 160 + -72x

Reorder the terms:
160 + -72x + 8x2 = -160 + 160 + 72x + -72x

Combine like terms: -160 + 160 = 0
160 + -72x + 8x2 = 0 + 72x + -72x
160 + -72x + 8x2 = 72x + -72x

Combine like terms: 72x + -72x = 0
160 + -72x + 8x2 = 0

Factor out the Greatest Common Factor (GCF), '8'.
8(20 + -9x + x2) = 0

Factor a trinomial.
8((4 + -1x)(5 + -1x)) = 0

Ignore the factor 8.

Subproblem 1

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

Subproblem 2

Set the factor '(5 + -1x)' equal to zero and attempt to solve: Simplifying 5 + -1x = 0 Solving 5 + -1x = 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 + -1x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -1x = 0 + -5 -1x = 0 + -5 Combine like terms: 0 + -5 = -5 -1x = -5 Divide each side by '-1'. x = 5 Simplifying x = 5

Solution

x = {4, 5}

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