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Simplifying (x2 + -1)(x2 + 7x + 12) = 0 Reorder the terms: (-1 + x2)(x2 + 7x + 12) = 0 Reorder the terms: (-1 + x2)(12 + 7x + x2) = 0 Multiply (-1 + x2) * (12 + 7x + x2) (-1(12 + 7x + x2) + x2(12 + 7x + x2)) = 0 ((12 * -1 + 7x * -1 + x2 * -1) + x2(12 + 7x + x2)) = 0 ((-12 + -7x + -1x2) + x2(12 + 7x + x2)) = 0 (-12 + -7x + -1x2 + (12 * x2 + 7x * x2 + x2 * x2)) = 0 (-12 + -7x + -1x2 + (12x2 + 7x3 + x4)) = 0 Combine like terms: -1x2 + 12x2 = 11x2 (-12 + -7x + 11x2 + 7x3 + x4) = 0 Solving -12 + -7x + 11x2 + 7x3 + x4 = 0 Solving for variable 'x'. The solution to this equation could not be determined.
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