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Simplifying (x + 2)(y + -1) = ((x * x) + -7) Reorder the terms: (2 + x)(y + -1) = ((x * x) + -7) Reorder the terms: (2 + x)(-1 + y) = ((x * x) + -7) Multiply (2 + x) * (-1 + y) (2(-1 + y) + x(-1 + y)) = ((x * x) + -7) ((-1 * 2 + y * 2) + x(-1 + y)) = ((x * x) + -7) ((-2 + 2y) + x(-1 + y)) = ((x * x) + -7) (-2 + 2y + (-1 * x + y * x)) = ((x * x) + -7) (-2 + 2y + (-1x + xy)) = ((x * x) + -7) Reorder the terms: (-2 + -1x + xy + 2y) = ((x * x) + -7) (-2 + -1x + xy + 2y) = ((x * x) + -7) Multiply x * x -2 + -1x + xy + 2y = ((x2) + -7) -2 + -1x + xy + 2y = (x2 + -7) Reorder the terms: -2 + -1x + xy + 2y = (-7 + x2) Remove parenthesis around (-7 + x2) -2 + -1x + xy + 2y = -7 + x2 Solving -2 + -1x + xy + 2y = -7 + x2 Solving for variable 'x'. Reorder the terms: -2 + 7 + -1x + xy + -1x2 + 2y = -7 + x2 + 7 + -1x2 Combine like terms: -2 + 7 = 5 5 + -1x + xy + -1x2 + 2y = -7 + x2 + 7 + -1x2 Reorder the terms: 5 + -1x + xy + -1x2 + 2y = -7 + 7 + x2 + -1x2 Combine like terms: -7 + 7 = 0 5 + -1x + xy + -1x2 + 2y = 0 + x2 + -1x2 5 + -1x + xy + -1x2 + 2y = x2 + -1x2 Combine like terms: x2 + -1x2 = 0 5 + -1x + xy + -1x2 + 2y = 0 The solution to this equation could not be determined.
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