3x^2=-20x-12

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Solution for 3x^2=-20x-12 equation:


Simplifying
3x2 = -20x + -12

Reorder the terms:
3x2 = -12 + -20x

Solving
3x2 = -12 + -20x

Solving for variable 'x'.

Reorder the terms:
12 + 20x + 3x2 = -12 + -20x + 12 + 20x

Reorder the terms:
12 + 20x + 3x2 = -12 + 12 + -20x + 20x

Combine like terms: -12 + 12 = 0
12 + 20x + 3x2 = 0 + -20x + 20x
12 + 20x + 3x2 = -20x + 20x

Combine like terms: -20x + 20x = 0
12 + 20x + 3x2 = 0

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

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 '(2 + 3x)' equal to zero and attempt to solve: Simplifying 2 + 3x = 0 Solving 2 + 3x = 0 Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + 3x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + 3x = 0 + -2 3x = 0 + -2 Combine like terms: 0 + -2 = -2 3x = -2 Divide each side by '3'. x = -0.6666666667 Simplifying x = -0.6666666667

Solution

x = {-6, -0.6666666667}

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