4x^2-20x=96

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Solution for 4x^2-20x=96 equation:


Simplifying
4x2 + -20x = 96

Reorder the terms:
-20x + 4x2 = 96

Solving
-20x + 4x2 = 96

Solving for variable 'x'.

Reorder the terms:
-96 + -20x + 4x2 = 96 + -96

Combine like terms: 96 + -96 = 0
-96 + -20x + 4x2 = 0

Factor out the Greatest Common Factor (GCF), '4'.
4(-24 + -5x + x2) = 0

Factor a trinomial.
4((-3 + -1x)(8 + -1x)) = 0

Ignore the factor 4.

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 '(8 + -1x)' equal to zero and attempt to solve: Simplifying 8 + -1x = 0 Solving 8 + -1x = 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 + -1x = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -1x = 0 + -8 -1x = 0 + -8 Combine like terms: 0 + -8 = -8 -1x = -8 Divide each side by '-1'. x = 8 Simplifying x = 8

Solution

x = {-3, 8}

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