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Simplifying (2x2) + (9x) + -1(3) = (-1x2) + (x) Multiply -1 * 3 (2x2) + (9x) + -3 = (-1x2) + (x) Reorder the terms: -3 + (9x) + (2x2) = (-1x2) + (x) -3 + (9x) + (2x2) = (-1x2) + x Reorder the terms: -3 + (9x) + (2x2) = x + (-1x2) Solving -3 + (9x) + (2x2) = x + (-1x2) Solving for variable 'x'. -3 + (9x) + (2x2) + -1x + x2 = x + (-1x2) + -1x + (x2) Reorder the terms: -3 + (9x) + -1x + (2x2) + x2 = x + (-1x2) + -1x + (x2) Combine like terms: (9x) + -1x = 8x -3 + 8x + (2x2) + x2 = x + (-1x2) + -1x + (x2) Combine like terms: (2x2) + x2 = 3x2 -3 + 8x + 3x2 = x + (-1x2) + -1x + (x2) -3 + 8x + 3x2 = x + (-1x2) + -1x + x2 Reorder the terms: -3 + 8x + 3x2 = x + -1x + (-1x2) + x2 Combine like terms: x + -1x = 0 -3 + 8x + 3x2 = 0 + (-1x2) + x2 -3 + 8x + 3x2 = (-1x2) + x2 Combine like terms: (-1x2) + x2 = 0 -3 + 8x + 3x2 = 0 Factor a trinomial. (-3 + -1x)(1 + -3x) = 0Subproblem 1
Set the factor '(-3 + -1x)' equal to zero and attempt to solve: Simplifying -3 + -1x = 0 Solving -3 + -1x = 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 + -1x = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -1x = 0 + 3 -1x = 0 + 3 Combine like terms: 0 + 3 = 3 -1x = 3 Divide each side by '-1'. x = -3 Simplifying x = -3Subproblem 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 = {-3, 0.3333333333}
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