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Simplifying (x2 + 2x + 1)(x2 + -5x + 7) = 0 Reorder the terms: (1 + 2x + x2)(x2 + -5x + 7) = 0 Reorder the terms: (1 + 2x + x2)(7 + -5x + x2) = 0 Multiply (1 + 2x + x2) * (7 + -5x + x2) (1(7 + -5x + x2) + 2x * (7 + -5x + x2) + x2(7 + -5x + x2)) = 0 ((7 * 1 + -5x * 1 + x2 * 1) + 2x * (7 + -5x + x2) + x2(7 + -5x + x2)) = 0 ((7 + -5x + 1x2) + 2x * (7 + -5x + x2) + x2(7 + -5x + x2)) = 0 (7 + -5x + 1x2 + (7 * 2x + -5x * 2x + x2 * 2x) + x2(7 + -5x + x2)) = 0 (7 + -5x + 1x2 + (14x + -10x2 + 2x3) + x2(7 + -5x + x2)) = 0 (7 + -5x + 1x2 + 14x + -10x2 + 2x3 + (7 * x2 + -5x * x2 + x2 * x2)) = 0 (7 + -5x + 1x2 + 14x + -10x2 + 2x3 + (7x2 + -5x3 + x4)) = 0 Reorder the terms: (7 + -5x + 14x + 1x2 + -10x2 + 7x2 + 2x3 + -5x3 + x4) = 0 Combine like terms: -5x + 14x = 9x (7 + 9x + 1x2 + -10x2 + 7x2 + 2x3 + -5x3 + x4) = 0 Combine like terms: 1x2 + -10x2 = -9x2 (7 + 9x + -9x2 + 7x2 + 2x3 + -5x3 + x4) = 0 Combine like terms: -9x2 + 7x2 = -2x2 (7 + 9x + -2x2 + 2x3 + -5x3 + x4) = 0 Combine like terms: 2x3 + -5x3 = -3x3 (7 + 9x + -2x2 + -3x3 + x4) = 0 Solving 7 + 9x + -2x2 + -3x3 + x4 = 0 Solving for variable 'x'. The solution to this equation could not be determined.
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