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Simplifying 3(x + y)(x + -1y) + -2y(x + -1) = -9 Multiply (x + y) * (x + -1y) 3(x(x + -1y) + y(x + -1y)) + -2y(x + -1) = -9 3((x * x + -1y * x) + y(x + -1y)) + -2y(x + -1) = -9 Reorder the terms: 3((-1xy + x2) + y(x + -1y)) + -2y(x + -1) = -9 3((-1xy + x2) + y(x + -1y)) + -2y(x + -1) = -9 3(-1xy + x2 + (x * y + -1y * y)) + -2y(x + -1) = -9 3(-1xy + x2 + (xy + -1y2)) + -2y(x + -1) = -9 Reorder the terms: 3(-1xy + xy + x2 + -1y2) + -2y(x + -1) = -9 Combine like terms: -1xy + xy = 0 3(0 + x2 + -1y2) + -2y(x + -1) = -9 3(x2 + -1y2) + -2y(x + -1) = -9 (x2 * 3 + -1y2 * 3) + -2y(x + -1) = -9 (3x2 + -3y2) + -2y(x + -1) = -9 Reorder the terms: 3x2 + -3y2 + -2y(-1 + x) = -9 3x2 + -3y2 + (-1 * -2y + x * -2y) = -9 Reorder the terms: 3x2 + -3y2 + (-2xy + 2y) = -9 3x2 + -3y2 + (-2xy + 2y) = -9 Reorder the terms: -2xy + 3x2 + 2y + -3y2 = -9 Solving -2xy + 3x2 + 2y + -3y2 = -9 Solving for variable 'x'. Reorder the terms: 9 + -2xy + 3x2 + 2y + -3y2 = -9 + 9 Combine like terms: -9 + 9 = 0 9 + -2xy + 3x2 + 2y + -3y2 = 0 The solution to this equation could not be determined.
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