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Simplifying 2x + -1(10x2 + 9x) = 0 Reorder the terms: 2x + -1(9x + 10x2) = 0 2x + (9x * -1 + 10x2 * -1) = 0 2x + (-9x + -10x2) = 0 Combine like terms: 2x + -9x = -7x -7x + -10x2 = 0 Solving -7x + -10x2 = 0 Solving for variable 'x'. Factor out the Greatest Common Factor (GCF), '-1x'. -1x(7 + 10x) = 0 Ignore the factor -1.Subproblem 1
Set the factor 'x' equal to zero and attempt to solve: Simplifying x = 0 Solving x = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x = 0Subproblem 2
Set the factor '(7 + 10x)' equal to zero and attempt to solve: Simplifying 7 + 10x = 0 Solving 7 + 10x = 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 + 10x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + 10x = 0 + -7 10x = 0 + -7 Combine like terms: 0 + -7 = -7 10x = -7 Divide each side by '10'. x = -0.7 Simplifying x = -0.7Solution
x = {0, -0.7}
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