76=2x^2-18x+112

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Solution for 76=2x^2-18x+112 equation:


Simplifying
76 = 2x2 + -18x + 112

Reorder the terms:
76 = 112 + -18x + 2x2

Solving
76 = 112 + -18x + 2x2

Solving for variable 'x'.

Combine like terms: 76 + -112 = -36
-36 + 18x + -2x2 = 112 + -18x + 2x2 + -112 + 18x + -2x2

Reorder the terms:
-36 + 18x + -2x2 = 112 + -112 + -18x + 18x + 2x2 + -2x2

Combine like terms: 112 + -112 = 0
-36 + 18x + -2x2 = 0 + -18x + 18x + 2x2 + -2x2
-36 + 18x + -2x2 = -18x + 18x + 2x2 + -2x2

Combine like terms: -18x + 18x = 0
-36 + 18x + -2x2 = 0 + 2x2 + -2x2
-36 + 18x + -2x2 = 2x2 + -2x2

Combine like terms: 2x2 + -2x2 = 0
-36 + 18x + -2x2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(-18 + 9x + -1x2) = 0

Factor a trinomial.
2((-6 + x)(3 + -1x)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-6 + x)' equal to zero and attempt to solve: Simplifying -6 + x = 0 Solving -6 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '6' to each side of the equation. -6 + 6 + x = 0 + 6 Combine like terms: -6 + 6 = 0 0 + x = 0 + 6 x = 0 + 6 Combine like terms: 0 + 6 = 6 x = 6 Simplifying x = 6

Subproblem 2

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

Solution

x = {6, 3}

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