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Simplifying 7x2 + -19x = -2x2 + -5x + -5 Reorder the terms: -19x + 7x2 = -2x2 + -5x + -5 Reorder the terms: -19x + 7x2 = -5 + -5x + -2x2 Solving -19x + 7x2 = -5 + -5x + -2x2 Solving for variable 'x'. Reorder the terms: 5 + -19x + 5x + 7x2 + 2x2 = -5 + -5x + -2x2 + 5 + 5x + 2x2 Combine like terms: -19x + 5x = -14x 5 + -14x + 7x2 + 2x2 = -5 + -5x + -2x2 + 5 + 5x + 2x2 Combine like terms: 7x2 + 2x2 = 9x2 5 + -14x + 9x2 = -5 + -5x + -2x2 + 5 + 5x + 2x2 Reorder the terms: 5 + -14x + 9x2 = -5 + 5 + -5x + 5x + -2x2 + 2x2 Combine like terms: -5 + 5 = 0 5 + -14x + 9x2 = 0 + -5x + 5x + -2x2 + 2x2 5 + -14x + 9x2 = -5x + 5x + -2x2 + 2x2 Combine like terms: -5x + 5x = 0 5 + -14x + 9x2 = 0 + -2x2 + 2x2 5 + -14x + 9x2 = -2x2 + 2x2 Combine like terms: -2x2 + 2x2 = 0 5 + -14x + 9x2 = 0 Factor a trinomial. (5 + -9x)(1 + -1x) = 0Subproblem 1
Set the factor '(5 + -9x)' equal to zero and attempt to solve: Simplifying 5 + -9x = 0 Solving 5 + -9x = 0 Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -9x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -9x = 0 + -5 -9x = 0 + -5 Combine like terms: 0 + -5 = -5 -9x = -5 Divide each side by '-9'. x = 0.5555555556 Simplifying x = 0.5555555556Subproblem 2
Set the factor '(1 + -1x)' equal to zero and attempt to solve: Simplifying 1 + -1x = 0 Solving 1 + -1x = 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 + -1x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -1x = 0 + -1 -1x = 0 + -1 Combine like terms: 0 + -1 = -1 -1x = -1 Divide each side by '-1'. x = 1 Simplifying x = 1Solution
x = {0.5555555556, 1}
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