-4x^2+36=-18x

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Solution for -4x^2+36=-18x equation:


Simplifying
-4x2 + 36 = -18x

Reorder the terms:
36 + -4x2 = -18x

Solving
36 + -4x2 = -18x

Solving for variable 'x'.

Reorder the terms:
36 + 18x + -4x2 = -18x + 18x

Combine like terms: -18x + 18x = 0
36 + 18x + -4x2 = 0

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

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

Ignore the factor 2.

Subproblem 1

Set the factor '(6 + -1x)' equal to zero and attempt to solve: Simplifying 6 + -1x = 0 Solving 6 + -1x = 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 + -1x = 0 + -6 Combine like terms: 6 + -6 = 0 0 + -1x = 0 + -6 -1x = 0 + -6 Combine like terms: 0 + -6 = -6 -1x = -6 Divide each side by '-1'. x = 6 Simplifying x = 6

Subproblem 2

Set the factor '(3 + 2x)' equal to zero and attempt to solve: Simplifying 3 + 2x = 0 Solving 3 + 2x = 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 + 2x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + 2x = 0 + -3 2x = 0 + -3 Combine like terms: 0 + -3 = -3 2x = -3 Divide each side by '2'. x = -1.5 Simplifying x = -1.5

Solution

x = {6, -1.5}

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