2x^2+2-14x=90

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Solution for 2x^2+2-14x=90 equation:


Simplifying
2x2 + 2 + -14x = 90

Reorder the terms:
2 + -14x + 2x2 = 90

Solving
2 + -14x + 2x2 = 90

Solving for variable 'x'.

Reorder the terms:
2 + -90 + -14x + 2x2 = 90 + -90

Combine like terms: 2 + -90 = -88
-88 + -14x + 2x2 = 90 + -90

Combine like terms: 90 + -90 = 0
-88 + -14x + 2x2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(-44 + -7x + x2) = 0

Factor a trinomial.
2((-4 + -1x)(11 + -1x)) = 0

Ignore the factor 2.

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 '(11 + -1x)' equal to zero and attempt to solve: Simplifying 11 + -1x = 0 Solving 11 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-11' to each side of the equation. 11 + -11 + -1x = 0 + -11 Combine like terms: 11 + -11 = 0 0 + -1x = 0 + -11 -1x = 0 + -11 Combine like terms: 0 + -11 = -11 -1x = -11 Divide each side by '-1'. x = 11 Simplifying x = 11

Solution

x = {-4, 11}

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