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Simplifying -21y(y + -10) = 0 Reorder the terms: -21y(-10 + y) = 0 (-10 * -21y + y * -21y) = 0 (210y + -21y2) = 0 Solving 210y + -21y2 = 0 Solving for variable 'y'. Factor out the Greatest Common Factor (GCF), '21y'. 21y(10 + -1y) = 0 Ignore the factor 21.Subproblem 1
Set the factor 'y' equal to zero and attempt to solve: Simplifying y = 0 Solving y = 0 Move all terms containing y to the left, all other terms to the right. Simplifying y = 0Subproblem 2
Set the factor '(10 + -1y)' equal to zero and attempt to solve: Simplifying 10 + -1y = 0 Solving 10 + -1y = 0 Move all terms containing y to the left, all other terms to the right. Add '-10' to each side of the equation. 10 + -10 + -1y = 0 + -10 Combine like terms: 10 + -10 = 0 0 + -1y = 0 + -10 -1y = 0 + -10 Combine like terms: 0 + -10 = -10 -1y = -10 Divide each side by '-1'. y = 10 Simplifying y = 10Solution
y = {0, 10}
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