8x^2-96x=-280

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Solution for 8x^2-96x=-280 equation:


Simplifying
8x2 + -96x = -280

Reorder the terms:
-96x + 8x2 = -280

Solving
-96x + 8x2 = -280

Solving for variable 'x'.

Reorder the terms:
280 + -96x + 8x2 = -280 + 280

Combine like terms: -280 + 280 = 0
280 + -96x + 8x2 = 0

Factor out the Greatest Common Factor (GCF), '8'.
8(35 + -12x + x2) = 0

Factor a trinomial.
8((5 + -1x)(7 + -1x)) = 0

Ignore the factor 8.

Subproblem 1

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

Subproblem 2

Set the factor '(7 + -1x)' equal to zero and attempt to solve: Simplifying 7 + -1x = 0 Solving 7 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -1x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -1x = 0 + -7 -1x = 0 + -7 Combine like terms: 0 + -7 = -7 -1x = -7 Divide each side by '-1'. x = 7 Simplifying x = 7

Solution

x = {5, 7}

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