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Simplifying 8x2 + 8x + -19 = 8 + -7x Reorder the terms: -19 + 8x + 8x2 = 8 + -7x Solving -19 + 8x + 8x2 = 8 + -7x Solving for variable 'x'. Reorder the terms: -19 + -8 + 8x + 7x + 8x2 = 8 + -7x + -8 + 7x Combine like terms: -19 + -8 = -27 -27 + 8x + 7x + 8x2 = 8 + -7x + -8 + 7x Combine like terms: 8x + 7x = 15x -27 + 15x + 8x2 = 8 + -7x + -8 + 7x Reorder the terms: -27 + 15x + 8x2 = 8 + -8 + -7x + 7x Combine like terms: 8 + -8 = 0 -27 + 15x + 8x2 = 0 + -7x + 7x -27 + 15x + 8x2 = -7x + 7x Combine like terms: -7x + 7x = 0 -27 + 15x + 8x2 = 0 Factor a trinomial. (-3 + -1x)(9 + -8x) = 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 '(9 + -8x)' equal to zero and attempt to solve: Simplifying 9 + -8x = 0 Solving 9 + -8x = 0 Move all terms containing x to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + -8x = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -8x = 0 + -9 -8x = 0 + -9 Combine like terms: 0 + -9 = -9 -8x = -9 Divide each side by '-8'. x = 1.125 Simplifying x = 1.125Solution
x = {-3, 1.125}
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