2x^2-36x=720

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Solution for 2x^2-36x=720 equation:


Simplifying
2x2 + -36x = 720

Reorder the terms:
-36x + 2x2 = 720

Solving
-36x + 2x2 = 720

Solving for variable 'x'.

Reorder the terms:
-720 + -36x + 2x2 = 720 + -720

Combine like terms: 720 + -720 = 0
-720 + -36x + 2x2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(-360 + -18x + x2) = 0

Factor a trinomial.
2((-12 + -1x)(30 + -1x)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-12 + -1x)' equal to zero and attempt to solve: Simplifying -12 + -1x = 0 Solving -12 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '12' to each side of the equation. -12 + 12 + -1x = 0 + 12 Combine like terms: -12 + 12 = 0 0 + -1x = 0 + 12 -1x = 0 + 12 Combine like terms: 0 + 12 = 12 -1x = 12 Divide each side by '-1'. x = -12 Simplifying x = -12

Subproblem 2

Set the factor '(30 + -1x)' equal to zero and attempt to solve: Simplifying 30 + -1x = 0 Solving 30 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-30' to each side of the equation. 30 + -30 + -1x = 0 + -30 Combine like terms: 30 + -30 = 0 0 + -1x = 0 + -30 -1x = 0 + -30 Combine like terms: 0 + -30 = -30 -1x = -30 Divide each side by '-1'. x = 30 Simplifying x = 30

Solution

x = {-12, 30}

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