12x+54=2x^2

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Solution for 12x+54=2x^2 equation:


Simplifying
12x + 54 = 2x2

Reorder the terms:
54 + 12x = 2x2

Solving
54 + 12x = 2x2

Solving for variable 'x'.

Combine like terms: 2x2 + -2x2 = 0
54 + 12x + -2x2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(27 + 6x + -1x2) = 0

Factor a trinomial.
2((9 + -1x)(3 + x)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(9 + -1x)' equal to zero and attempt to solve: Simplifying 9 + -1x = 0 Solving 9 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + -1x = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -1x = 0 + -9 -1x = 0 + -9 Combine like terms: 0 + -9 = -9 -1x = -9 Divide each side by '-1'. x = 9 Simplifying x = 9

Subproblem 2

Set the factor '(3 + x)' equal to zero and attempt to solve: Simplifying 3 + x = 0 Solving 3 + x = 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 + x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + x = 0 + -3 x = 0 + -3 Combine like terms: 0 + -3 = -3 x = -3 Simplifying x = -3

Solution

x = {9, -3}

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