5x^2+12x=-4x^2-4

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Solution for 5x^2+12x=-4x^2-4 equation:


Simplifying
5x2 + 12x = -4x2 + -4

Reorder the terms:
12x + 5x2 = -4x2 + -4

Reorder the terms:
12x + 5x2 = -4 + -4x2

Solving
12x + 5x2 = -4 + -4x2

Solving for variable 'x'.

Reorder the terms:
4 + 12x + 5x2 + 4x2 = -4 + -4x2 + 4 + 4x2

Combine like terms: 5x2 + 4x2 = 9x2
4 + 12x + 9x2 = -4 + -4x2 + 4 + 4x2

Reorder the terms:
4 + 12x + 9x2 = -4 + 4 + -4x2 + 4x2

Combine like terms: -4 + 4 = 0
4 + 12x + 9x2 = 0 + -4x2 + 4x2
4 + 12x + 9x2 = -4x2 + 4x2

Combine like terms: -4x2 + 4x2 = 0
4 + 12x + 9x2 = 0

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

Subproblem 1

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

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 = {-0.6666666667, -0.6666666667}

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