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Simplifying (9y2 + -8y + 9) + -1(2y2 + -8y + 3) = 0 Reorder the terms: (9 + -8y + 9y2) + -1(2y2 + -8y + 3) = 0 Remove parenthesis around (9 + -8y + 9y2) 9 + -8y + 9y2 + -1(2y2 + -8y + 3) = 0 Reorder the terms: 9 + -8y + 9y2 + -1(3 + -8y + 2y2) = 0 9 + -8y + 9y2 + (3 * -1 + -8y * -1 + 2y2 * -1) = 0 9 + -8y + 9y2 + (-3 + 8y + -2y2) = 0 Reorder the terms: 9 + -3 + -8y + 8y + 9y2 + -2y2 = 0 Combine like terms: 9 + -3 = 6 6 + -8y + 8y + 9y2 + -2y2 = 0 Combine like terms: -8y + 8y = 0 6 + 0 + 9y2 + -2y2 = 0 6 + 9y2 + -2y2 = 0 Combine like terms: 9y2 + -2y2 = 7y2 6 + 7y2 = 0 Solving 6 + 7y2 = 0 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + 7y2 = 0 + -6 Combine like terms: 6 + -6 = 0 0 + 7y2 = 0 + -6 7y2 = 0 + -6 Combine like terms: 0 + -6 = -6 7y2 = -6 Divide each side by '7'. y2 = -0.8571428571 Simplifying y2 = -0.8571428571 Reorder the terms: 0.8571428571 + y2 = -0.8571428571 + 0.8571428571 Combine like terms: -0.8571428571 + 0.8571428571 = 0.0000000000 0.8571428571 + y2 = 0.0000000000 The solution to this equation could not be determined.
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