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Simplifying 7x2 = -19x + -10 Reorder the terms: 7x2 = -10 + -19x Solving 7x2 = -10 + -19x Solving for variable 'x'. Reorder the terms: 10 + 19x + 7x2 = -10 + -19x + 10 + 19x Reorder the terms: 10 + 19x + 7x2 = -10 + 10 + -19x + 19x Combine like terms: -10 + 10 = 0 10 + 19x + 7x2 = 0 + -19x + 19x 10 + 19x + 7x2 = -19x + 19x Combine like terms: -19x + 19x = 0 10 + 19x + 7x2 = 0 Factor a trinomial. (2 + x)(5 + 7x) = 0Subproblem 1
Set the factor '(2 + x)' equal to zero and attempt to solve: Simplifying 2 + x = 0 Solving 2 + x = 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 + x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + x = 0 + -2 x = 0 + -2 Combine like terms: 0 + -2 = -2 x = -2 Simplifying x = -2Subproblem 2
Set the factor '(5 + 7x)' equal to zero and attempt to solve: Simplifying 5 + 7x = 0 Solving 5 + 7x = 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 + 7x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + 7x = 0 + -5 7x = 0 + -5 Combine like terms: 0 + -5 = -5 7x = -5 Divide each side by '7'. x = -0.7142857143 Simplifying x = -0.7142857143Solution
x = {-2, -0.7142857143}
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