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Simplifying (x2 + -4)(x + 1) = y Reorder the terms: (-4 + x2)(x + 1) = y Reorder the terms: (-4 + x2)(1 + x) = y Multiply (-4 + x2) * (1 + x) (-4(1 + x) + x2(1 + x)) = y ((1 * -4 + x * -4) + x2(1 + x)) = y ((-4 + -4x) + x2(1 + x)) = y (-4 + -4x + (1 * x2 + x * x2)) = y (-4 + -4x + (1x2 + x3)) = y (-4 + -4x + 1x2 + x3) = y Solving -4 + -4x + 1x2 + x3 = y Solving for variable 'x'. Combine like terms: y + -1y = 0 -4 + -4x + 1x2 + x3 + -1y = 0 The solution to this equation could not be determined.
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