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Simplifying -10 = -7y + -12y2 Solving -10 = -7y + -12y2 Solving for variable 'y'. Reorder the terms: -10 + 7y + 12y2 = -7y + 7y + -12y2 + 12y2 Combine like terms: -7y + 7y = 0 -10 + 7y + 12y2 = 0 + -12y2 + 12y2 -10 + 7y + 12y2 = -12y2 + 12y2 Combine like terms: -12y2 + 12y2 = 0 -10 + 7y + 12y2 = 0 Factor a trinomial. (-5 + -4y)(2 + -3y) = 0Subproblem 1
Set the factor '(-5 + -4y)' equal to zero and attempt to solve: Simplifying -5 + -4y = 0 Solving -5 + -4y = 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 + -4y = 0 + 5 Combine like terms: -5 + 5 = 0 0 + -4y = 0 + 5 -4y = 0 + 5 Combine like terms: 0 + 5 = 5 -4y = 5 Divide each side by '-4'. y = -1.25 Simplifying y = -1.25Subproblem 2
Set the factor '(2 + -3y)' equal to zero and attempt to solve: Simplifying 2 + -3y = 0 Solving 2 + -3y = 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 + -3y = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -3y = 0 + -2 -3y = 0 + -2 Combine like terms: 0 + -2 = -2 -3y = -2 Divide each side by '-3'. y = 0.6666666667 Simplifying y = 0.6666666667Solution
y = {-1.25, 0.6666666667}
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