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Simplifying (2y2 + -9y + 8) + -1(3y2 + -9y + 9) = 0 Reorder the terms: (8 + -9y + 2y2) + -1(3y2 + -9y + 9) = 0 Remove parenthesis around (8 + -9y + 2y2) 8 + -9y + 2y2 + -1(3y2 + -9y + 9) = 0 Reorder the terms: 8 + -9y + 2y2 + -1(9 + -9y + 3y2) = 0 8 + -9y + 2y2 + (9 * -1 + -9y * -1 + 3y2 * -1) = 0 8 + -9y + 2y2 + (-9 + 9y + -3y2) = 0 Reorder the terms: 8 + -9 + -9y + 9y + 2y2 + -3y2 = 0 Combine like terms: 8 + -9 = -1 -1 + -9y + 9y + 2y2 + -3y2 = 0 Combine like terms: -9y + 9y = 0 -1 + 0 + 2y2 + -3y2 = 0 -1 + 2y2 + -3y2 = 0 Combine like terms: 2y2 + -3y2 = -1y2 -1 + -1y2 = 0 Solving -1 + -1y2 = 0 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + -1y2 = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -1y2 = 0 + 1 -1y2 = 0 + 1 Combine like terms: 0 + 1 = 1 -1y2 = 1 Divide each side by '-1'. y2 = -1 Simplifying y2 = -1 Reorder the terms: 1 + y2 = -1 + 1 Combine like terms: -1 + 1 = 0 1 + y2 = 0 The solution to this equation could not be determined.
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