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Simplifying 9x + 3 = 12x2 + 4x Reorder the terms: 3 + 9x = 12x2 + 4x Reorder the terms: 3 + 9x = 4x + 12x2 Solving 3 + 9x = 4x + 12x2 Solving for variable 'x'. Combine like terms: 9x + -4x = 5x 3 + 5x + -12x2 = 4x + 12x2 + -4x + -12x2 Reorder the terms: 3 + 5x + -12x2 = 4x + -4x + 12x2 + -12x2 Combine like terms: 4x + -4x = 0 3 + 5x + -12x2 = 0 + 12x2 + -12x2 3 + 5x + -12x2 = 12x2 + -12x2 Combine like terms: 12x2 + -12x2 = 0 3 + 5x + -12x2 = 0 Factor a trinomial. (3 + -4x)(1 + 3x) = 0Subproblem 1
Set the factor '(3 + -4x)' equal to zero and attempt to solve: Simplifying 3 + -4x = 0 Solving 3 + -4x = 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 + -4x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -4x = 0 + -3 -4x = 0 + -3 Combine like terms: 0 + -3 = -3 -4x = -3 Divide each side by '-4'. x = 0.75 Simplifying x = 0.75Subproblem 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 = -0.3333333333Solution
x = {0.75, -0.3333333333}
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