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Simplifying (x2 + 7x + -3)(x2 + 2x + -9) = 0 Reorder the terms: (-3 + 7x + x2)(x2 + 2x + -9) = 0 Reorder the terms: (-3 + 7x + x2)(-9 + 2x + x2) = 0 Multiply (-3 + 7x + x2) * (-9 + 2x + x2) (-3(-9 + 2x + x2) + 7x * (-9 + 2x + x2) + x2(-9 + 2x + x2)) = 0 ((-9 * -3 + 2x * -3 + x2 * -3) + 7x * (-9 + 2x + x2) + x2(-9 + 2x + x2)) = 0 ((27 + -6x + -3x2) + 7x * (-9 + 2x + x2) + x2(-9 + 2x + x2)) = 0 (27 + -6x + -3x2 + (-9 * 7x + 2x * 7x + x2 * 7x) + x2(-9 + 2x + x2)) = 0 (27 + -6x + -3x2 + (-63x + 14x2 + 7x3) + x2(-9 + 2x + x2)) = 0 (27 + -6x + -3x2 + -63x + 14x2 + 7x3 + (-9 * x2 + 2x * x2 + x2 * x2)) = 0 (27 + -6x + -3x2 + -63x + 14x2 + 7x3 + (-9x2 + 2x3 + x4)) = 0 Reorder the terms: (27 + -6x + -63x + -3x2 + 14x2 + -9x2 + 7x3 + 2x3 + x4) = 0 Combine like terms: -6x + -63x = -69x (27 + -69x + -3x2 + 14x2 + -9x2 + 7x3 + 2x3 + x4) = 0 Combine like terms: -3x2 + 14x2 = 11x2 (27 + -69x + 11x2 + -9x2 + 7x3 + 2x3 + x4) = 0 Combine like terms: 11x2 + -9x2 = 2x2 (27 + -69x + 2x2 + 7x3 + 2x3 + x4) = 0 Combine like terms: 7x3 + 2x3 = 9x3 (27 + -69x + 2x2 + 9x3 + x4) = 0 Solving 27 + -69x + 2x2 + 9x3 + x4 = 0 Solving for variable 'x'. The solution to this equation could not be determined.
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