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Simplifying (20 + -2x)(18 + -2x) * x = 504 Reorder the terms for easier multiplication: x(20 + -2x)(18 + -2x) = 504 Multiply (20 + -2x) * (18 + -2x) x(20(18 + -2x) + -2x * (18 + -2x)) = 504 x((18 * 20 + -2x * 20) + -2x * (18 + -2x)) = 504 x((360 + -40x) + -2x * (18 + -2x)) = 504 x(360 + -40x + (18 * -2x + -2x * -2x)) = 504 x(360 + -40x + (-36x + 4x2)) = 504 Combine like terms: -40x + -36x = -76x x(360 + -76x + 4x2) = 504 (360 * x + -76x * x + 4x2 * x) = 504 (360x + -76x2 + 4x3) = 504 Solving 360x + -76x2 + 4x3 = 504 Solving for variable 'x'. Reorder the terms: -504 + 360x + -76x2 + 4x3 = 504 + -504 Combine like terms: 504 + -504 = 0 -504 + 360x + -76x2 + 4x3 = 0 Factor out the Greatest Common Factor (GCF), '4'. 4(-126 + 90x + -19x2 + x3) = 0 Ignore the factor 4.Subproblem 1
Set the factor '(-126 + 90x + -19x2 + x3)' equal to zero and attempt to solve: Simplifying -126 + 90x + -19x2 + x3 = 0 Solving -126 + 90x + -19x2 + 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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