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Simplifying (9y2 + -5y + 6) + -1(7y2 + -5y + 5) = 0 Reorder the terms: (6 + -5y + 9y2) + -1(7y2 + -5y + 5) = 0 Remove parenthesis around (6 + -5y + 9y2) 6 + -5y + 9y2 + -1(7y2 + -5y + 5) = 0 Reorder the terms: 6 + -5y + 9y2 + -1(5 + -5y + 7y2) = 0 6 + -5y + 9y2 + (5 * -1 + -5y * -1 + 7y2 * -1) = 0 6 + -5y + 9y2 + (-5 + 5y + -7y2) = 0 Reorder the terms: 6 + -5 + -5y + 5y + 9y2 + -7y2 = 0 Combine like terms: 6 + -5 = 1 1 + -5y + 5y + 9y2 + -7y2 = 0 Combine like terms: -5y + 5y = 0 1 + 0 + 9y2 + -7y2 = 0 1 + 9y2 + -7y2 = 0 Combine like terms: 9y2 + -7y2 = 2y2 1 + 2y2 = 0 Solving 1 + 2y2 = 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 + 2y2 = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 2y2 = 0 + -1 2y2 = 0 + -1 Combine like terms: 0 + -1 = -1 2y2 = -1 Divide each side by '2'. y2 = -0.5 Simplifying y2 = -0.5 Reorder the terms: 0.5 + y2 = -0.5 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.5 + y2 = 0.0 The solution to this equation could not be determined.
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