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Simplifying (4y2 + -6y + 7) + -1(2y2 + -6y + 5) = 0 Reorder the terms: (7 + -6y + 4y2) + -1(2y2 + -6y + 5) = 0 Remove parenthesis around (7 + -6y + 4y2) 7 + -6y + 4y2 + -1(2y2 + -6y + 5) = 0 Reorder the terms: 7 + -6y + 4y2 + -1(5 + -6y + 2y2) = 0 7 + -6y + 4y2 + (5 * -1 + -6y * -1 + 2y2 * -1) = 0 7 + -6y + 4y2 + (-5 + 6y + -2y2) = 0 Reorder the terms: 7 + -5 + -6y + 6y + 4y2 + -2y2 = 0 Combine like terms: 7 + -5 = 2 2 + -6y + 6y + 4y2 + -2y2 = 0 Combine like terms: -6y + 6y = 0 2 + 0 + 4y2 + -2y2 = 0 2 + 4y2 + -2y2 = 0 Combine like terms: 4y2 + -2y2 = 2y2 2 + 2y2 = 0 Solving 2 + 2y2 = 0 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + 2y2 = 0 + -2 Combine like terms: 2 + -2 = 0 0 + 2y2 = 0 + -2 2y2 = 0 + -2 Combine like terms: 0 + -2 = -2 2y2 = -2 Divide each side by '2'. 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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