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Simplifying 2y2 + 8y + 8 + -11y + -22 + -21 = 0 Reorder the terms: 8 + -22 + -21 + 8y + -11y + 2y2 = 0 Combine like terms: 8 + -22 = -14 -14 + -21 + 8y + -11y + 2y2 = 0 Combine like terms: -14 + -21 = -35 -35 + 8y + -11y + 2y2 = 0 Combine like terms: 8y + -11y = -3y -35 + -3y + 2y2 = 0 Solving -35 + -3y + 2y2 = 0 Solving for variable 'y'. Factor a trinomial. (-7 + -2y)(5 + -1y) = 0Subproblem 1
Set the factor '(-7 + -2y)' equal to zero and attempt to solve: Simplifying -7 + -2y = 0 Solving -7 + -2y = 0 Move all terms containing y to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + -2y = 0 + 7 Combine like terms: -7 + 7 = 0 0 + -2y = 0 + 7 -2y = 0 + 7 Combine like terms: 0 + 7 = 7 -2y = 7 Divide each side by '-2'. y = -3.5 Simplifying y = -3.5Subproblem 2
Set the factor '(5 + -1y)' equal to zero and attempt to solve: Simplifying 5 + -1y = 0 Solving 5 + -1y = 0 Move all terms containing y to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -1y = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -1y = 0 + -5 -1y = 0 + -5 Combine like terms: 0 + -5 = -5 -1y = -5 Divide each side by '-1'. y = 5 Simplifying y = 5Solution
y = {-3.5, 5}
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