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Simplifying 2x2 + -28x = -4x2 + -9x + -14 Reorder the terms: -28x + 2x2 = -4x2 + -9x + -14 Reorder the terms: -28x + 2x2 = -14 + -9x + -4x2 Solving -28x + 2x2 = -14 + -9x + -4x2 Solving for variable 'x'. Reorder the terms: 14 + -28x + 9x + 2x2 + 4x2 = -14 + -9x + -4x2 + 14 + 9x + 4x2 Combine like terms: -28x + 9x = -19x 14 + -19x + 2x2 + 4x2 = -14 + -9x + -4x2 + 14 + 9x + 4x2 Combine like terms: 2x2 + 4x2 = 6x2 14 + -19x + 6x2 = -14 + -9x + -4x2 + 14 + 9x + 4x2 Reorder the terms: 14 + -19x + 6x2 = -14 + 14 + -9x + 9x + -4x2 + 4x2 Combine like terms: -14 + 14 = 0 14 + -19x + 6x2 = 0 + -9x + 9x + -4x2 + 4x2 14 + -19x + 6x2 = -9x + 9x + -4x2 + 4x2 Combine like terms: -9x + 9x = 0 14 + -19x + 6x2 = 0 + -4x2 + 4x2 14 + -19x + 6x2 = -4x2 + 4x2 Combine like terms: -4x2 + 4x2 = 0 14 + -19x + 6x2 = 0 Factor a trinomial. (7 + -6x)(2 + -1x) = 0Subproblem 1
Set the factor '(7 + -6x)' equal to zero and attempt to solve: Simplifying 7 + -6x = 0 Solving 7 + -6x = 0 Move all terms containing x to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -6x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -6x = 0 + -7 -6x = 0 + -7 Combine like terms: 0 + -7 = -7 -6x = -7 Divide each side by '-6'. x = 1.166666667 Simplifying x = 1.166666667Subproblem 2
Set the factor '(2 + -1x)' equal to zero and attempt to solve: Simplifying 2 + -1x = 0 Solving 2 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -1x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1x = 0 + -2 -1x = 0 + -2 Combine like terms: 0 + -2 = -2 -1x = -2 Divide each side by '-1'. x = 2 Simplifying x = 2Solution
x = {1.166666667, 2}
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