(4x^2)-68x=-120

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Solution for (4x^2)-68x=-120 equation:


Simplifying
(4x2) + -68x = -120

Reorder the terms:
-68x + (4x2) = -120

Solving
-68x + (4x2) = -120

Solving for variable 'x'.

Reorder the terms:
120 + -68x + (4x2) = -120 + 120

Combine like terms: -120 + 120 = 0
120 + -68x + (4x2) = 0

Factor out the Greatest Common Factor (GCF), '4'.
4(30 + -17x + x2) = 0

Factor a trinomial.
4((2 + -1x)(15 + -1x)) = 0

Ignore the factor 4.

Subproblem 1

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

Subproblem 2

Set the factor '(15 + -1x)' equal to zero and attempt to solve: Simplifying 15 + -1x = 0 Solving 15 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-15' to each side of the equation. 15 + -15 + -1x = 0 + -15 Combine like terms: 15 + -15 = 0 0 + -1x = 0 + -15 -1x = 0 + -15 Combine like terms: 0 + -15 = -15 -1x = -15 Divide each side by '-1'. x = 15 Simplifying x = 15

Solution

x = {2, 15}

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