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Simplifying -7y2 + -22y + -16 = 0 Reorder the terms: -16 + -22y + -7y2 = 0 Solving -16 + -22y + -7y2 = 0 Solving for variable 'y'. Factor out the Greatest Common Factor (GCF), '-1'. -1(16 + 22y + 7y2) = 0 Factor a trinomial. -1((2 + y)(8 + 7y)) = 0 Ignore the factor -1.Subproblem 1
Set the factor '(2 + y)' equal to zero and attempt to solve: Simplifying 2 + y = 0 Solving 2 + y = 0 Move all terms containing y to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + y = 0 + -2 Combine like terms: 2 + -2 = 0 0 + y = 0 + -2 y = 0 + -2 Combine like terms: 0 + -2 = -2 y = -2 Simplifying y = -2Subproblem 2
Set the factor '(8 + 7y)' equal to zero and attempt to solve: Simplifying 8 + 7y = 0 Solving 8 + 7y = 0 Move all terms containing y to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + 7y = 0 + -8 Combine like terms: 8 + -8 = 0 0 + 7y = 0 + -8 7y = 0 + -8 Combine like terms: 0 + -8 = -8 7y = -8 Divide each side by '7'. y = -1.142857143 Simplifying y = -1.142857143Solution
y = {-2, -1.142857143}
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