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Simplifying x(20 + -2x)(16 + -1x) = 400 Multiply (20 + -2x) * (16 + -1x) x(20(16 + -1x) + -2x * (16 + -1x)) = 400 x((16 * 20 + -1x * 20) + -2x * (16 + -1x)) = 400 x((320 + -20x) + -2x * (16 + -1x)) = 400 x(320 + -20x + (16 * -2x + -1x * -2x)) = 400 x(320 + -20x + (-32x + 2x2)) = 400 Combine like terms: -20x + -32x = -52x x(320 + -52x + 2x2) = 400 (320 * x + -52x * x + 2x2 * x) = 400 (320x + -52x2 + 2x3) = 400 Solving 320x + -52x2 + 2x3 = 400 Solving for variable 'x'. Reorder the terms: -400 + 320x + -52x2 + 2x3 = 400 + -400 Combine like terms: 400 + -400 = 0 -400 + 320x + -52x2 + 2x3 = 0 Factor out the Greatest Common Factor (GCF), '2'. 2(-200 + 160x + -26x2 + x3) = 0 Ignore the factor 2.Subproblem 1
Set the factor '(-200 + 160x + -26x2 + x3)' equal to zero and attempt to solve: Simplifying -200 + 160x + -26x2 + x3 = 0 Solving -200 + 160x + -26x2 + 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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