0=9x^2+24x+12

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Solution for 0=9x^2+24x+12 equation:


Simplifying
0 = 9x2 + 24x + 12

Reorder the terms:
0 = 12 + 24x + 9x2

Solving
0 = 12 + 24x + 9x2

Solving for variable 'x'.

Combine like terms: 0 + -12 = -12
-12 + -24x + -9x2 = 12 + 24x + 9x2 + -12 + -24x + -9x2

Reorder the terms:
-12 + -24x + -9x2 = 12 + -12 + 24x + -24x + 9x2 + -9x2

Combine like terms: 12 + -12 = 0
-12 + -24x + -9x2 = 0 + 24x + -24x + 9x2 + -9x2
-12 + -24x + -9x2 = 24x + -24x + 9x2 + -9x2

Combine like terms: 24x + -24x = 0
-12 + -24x + -9x2 = 0 + 9x2 + -9x2
-12 + -24x + -9x2 = 9x2 + -9x2

Combine like terms: 9x2 + -9x2 = 0
-12 + -24x + -9x2 = 0

Factor out the Greatest Common Factor (GCF), '-3'.
-3(4 + 8x + 3x2) = 0

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

Ignore the factor -3.

Subproblem 1

Set the factor '(2 + x)' equal to zero and attempt to solve: Simplifying 2 + x = 0 Solving 2 + x = 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 + x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + x = 0 + -2 x = 0 + -2 Combine like terms: 0 + -2 = -2 x = -2 Simplifying x = -2

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 = {-2, -0.6666666667}

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