0=9x^2+12x+3

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Solution for 0=9x^2+12x+3 equation:


Simplifying
0 = 9x2 + 12x + 3

Reorder the terms:
0 = 3 + 12x + 9x2

Solving
0 = 3 + 12x + 9x2

Solving for variable 'x'.

Combine like terms: 0 + -3 = -3
-3 + -12x + -9x2 = 3 + 12x + 9x2 + -3 + -12x + -9x2

Reorder the terms:
-3 + -12x + -9x2 = 3 + -3 + 12x + -12x + 9x2 + -9x2

Combine like terms: 3 + -3 = 0
-3 + -12x + -9x2 = 0 + 12x + -12x + 9x2 + -9x2
-3 + -12x + -9x2 = 12x + -12x + 9x2 + -9x2

Combine like terms: 12x + -12x = 0
-3 + -12x + -9x2 = 0 + 9x2 + -9x2
-3 + -12x + -9x2 = 9x2 + -9x2

Combine like terms: 9x2 + -9x2 = 0
-3 + -12x + -9x2 = 0

Factor out the Greatest Common Factor (GCF), '-3'.
-3(1 + 4x + 3x2) = 0

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

Ignore the factor -3.

Subproblem 1

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

Subproblem 2

Set the factor '(1 + 3x)' equal to zero and attempt to solve: Simplifying 1 + 3x = 0 Solving 1 + 3x = 0 Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + 3x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 3x = 0 + -1 3x = 0 + -1 Combine like terms: 0 + -1 = -1 3x = -1 Divide each side by '3'. x = -0.3333333333 Simplifying x = -0.3333333333

Solution

x = {-1, -0.3333333333}

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