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Simplifying (x2 + -8x + -5)(8x2 + -4x + -7) = 0 Reorder the terms: (-5 + -8x + x2)(8x2 + -4x + -7) = 0 Reorder the terms: (-5 + -8x + x2)(-7 + -4x + 8x2) = 0 Multiply (-5 + -8x + x2) * (-7 + -4x + 8x2) (-5(-7 + -4x + 8x2) + -8x * (-7 + -4x + 8x2) + x2(-7 + -4x + 8x2)) = 0 ((-7 * -5 + -4x * -5 + 8x2 * -5) + -8x * (-7 + -4x + 8x2) + x2(-7 + -4x + 8x2)) = 0 ((35 + 20x + -40x2) + -8x * (-7 + -4x + 8x2) + x2(-7 + -4x + 8x2)) = 0 (35 + 20x + -40x2 + (-7 * -8x + -4x * -8x + 8x2 * -8x) + x2(-7 + -4x + 8x2)) = 0 (35 + 20x + -40x2 + (56x + 32x2 + -64x3) + x2(-7 + -4x + 8x2)) = 0 (35 + 20x + -40x2 + 56x + 32x2 + -64x3 + (-7 * x2 + -4x * x2 + 8x2 * x2)) = 0 (35 + 20x + -40x2 + 56x + 32x2 + -64x3 + (-7x2 + -4x3 + 8x4)) = 0 Reorder the terms: (35 + 20x + 56x + -40x2 + 32x2 + -7x2 + -64x3 + -4x3 + 8x4) = 0 Combine like terms: 20x + 56x = 76x (35 + 76x + -40x2 + 32x2 + -7x2 + -64x3 + -4x3 + 8x4) = 0 Combine like terms: -40x2 + 32x2 = -8x2 (35 + 76x + -8x2 + -7x2 + -64x3 + -4x3 + 8x4) = 0 Combine like terms: -8x2 + -7x2 = -15x2 (35 + 76x + -15x2 + -64x3 + -4x3 + 8x4) = 0 Combine like terms: -64x3 + -4x3 = -68x3 (35 + 76x + -15x2 + -68x3 + 8x4) = 0 Solving 35 + 76x + -15x2 + -68x3 + 8x4 = 0 Solving for variable 'x'. The solution to this equation could not be determined.
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