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Simplifying (40 + -2x)(40 + -2x) * x = 2500 Reorder the terms for easier multiplication: x(40 + -2x)(40 + -2x) = 2500 Multiply (40 + -2x) * (40 + -2x) x(40(40 + -2x) + -2x * (40 + -2x)) = 2500 x((40 * 40 + -2x * 40) + -2x * (40 + -2x)) = 2500 x((1600 + -80x) + -2x * (40 + -2x)) = 2500 x(1600 + -80x + (40 * -2x + -2x * -2x)) = 2500 x(1600 + -80x + (-80x + 4x2)) = 2500 Combine like terms: -80x + -80x = -160x x(1600 + -160x + 4x2) = 2500 (1600 * x + -160x * x + 4x2 * x) = 2500 (1600x + -160x2 + 4x3) = 2500 Solving 1600x + -160x2 + 4x3 = 2500 Solving for variable 'x'. Reorder the terms: -2500 + 1600x + -160x2 + 4x3 = 2500 + -2500 Combine like terms: 2500 + -2500 = 0 -2500 + 1600x + -160x2 + 4x3 = 0 Factor out the Greatest Common Factor (GCF), '4'. 4(-625 + 400x + -40x2 + x3) = 0 Ignore the factor 4.Subproblem 1
Set the factor '(-625 + 400x + -40x2 + x3)' equal to zero and attempt to solve: Simplifying -625 + 400x + -40x2 + x3 = 0 Solving -625 + 400x + -40x2 + x3 = 0 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.
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