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Simplifying x(4x + 8) + -1x2 + -3 = 0 Reorder the terms: x(8 + 4x) + -1x2 + -3 = 0 (8 * x + 4x * x) + -1x2 + -3 = 0 (8x + 4x2) + -1x2 + -3 = 0 Reorder the terms: -3 + 8x + 4x2 + -1x2 = 0 Combine like terms: 4x2 + -1x2 = 3x2 -3 + 8x + 3x2 = 0 Solving -3 + 8x + 3x2 = 0 Solving for variable 'x'. 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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