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Simplifying (y2 + -5y + 4)(4y + 28) = 0 Reorder the terms: (4 + -5y + y2)(4y + 28) = 0 Reorder the terms: (4 + -5y + y2)(28 + 4y) = 0 Multiply (4 + -5y + y2) * (28 + 4y) (4(28 + 4y) + -5y * (28 + 4y) + y2(28 + 4y)) = 0 ((28 * 4 + 4y * 4) + -5y * (28 + 4y) + y2(28 + 4y)) = 0 ((112 + 16y) + -5y * (28 + 4y) + y2(28 + 4y)) = 0 (112 + 16y + (28 * -5y + 4y * -5y) + y2(28 + 4y)) = 0 (112 + 16y + (-140y + -20y2) + y2(28 + 4y)) = 0 (112 + 16y + -140y + -20y2 + (28 * y2 + 4y * y2)) = 0 (112 + 16y + -140y + -20y2 + (28y2 + 4y3)) = 0 Combine like terms: 16y + -140y = -124y (112 + -124y + -20y2 + 28y2 + 4y3) = 0 Combine like terms: -20y2 + 28y2 = 8y2 (112 + -124y + 8y2 + 4y3) = 0 Solving 112 + -124y + 8y2 + 4y3 = 0 Solving for variable 'y'. Factor out the Greatest Common Factor (GCF), '4'. 4(28 + -31y + 2y2 + y3) = 0 Ignore the factor 4.Subproblem 1
Set the factor '(28 + -31y + 2y2 + y3)' equal to zero and attempt to solve: Simplifying 28 + -31y + 2y2 + y3 = 0 Solving 28 + -31y + 2y2 + y3 = 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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