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Simplifying 8x2 + 2x + -7 = -7 Reorder the terms: -7 + 2x + 8x2 = -7 Add '7' to each side of the equation. -7 + 2x + 7 + 8x2 = -7 + 7 Reorder the terms: -7 + 7 + 2x + 8x2 = -7 + 7 Combine like terms: -7 + 7 = 0 0 + 2x + 8x2 = -7 + 7 2x + 8x2 = -7 + 7 Combine like terms: -7 + 7 = 0 2x + 8x2 = 0 Solving 2x + 8x2 = 0 Solving for variable 'x'. Factor out the Greatest Common Factor (GCF), '2x'. 2x(1 + 4x) = 0 Ignore the factor 2.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 '(1 + 4x)' equal to zero and attempt to solve: Simplifying 1 + 4x = 0 Solving 1 + 4x = 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 + 4x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 4x = 0 + -1 4x = 0 + -1 Combine like terms: 0 + -1 = -1 4x = -1 Divide each side by '4'. x = -0.25 Simplifying x = -0.25Solution
x = {0, -0.25}
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