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Simplifying (x2 + 4x + -5)(x2 + 4x + 3) = 0 Reorder the terms: (-5 + 4x + x2)(x2 + 4x + 3) = 0 Reorder the terms: (-5 + 4x + x2)(3 + 4x + x2) = 0 Multiply (-5 + 4x + x2) * (3 + 4x + x2) (-5(3 + 4x + x2) + 4x * (3 + 4x + x2) + x2(3 + 4x + x2)) = 0 ((3 * -5 + 4x * -5 + x2 * -5) + 4x * (3 + 4x + x2) + x2(3 + 4x + x2)) = 0 ((-15 + -20x + -5x2) + 4x * (3 + 4x + x2) + x2(3 + 4x + x2)) = 0 (-15 + -20x + -5x2 + (3 * 4x + 4x * 4x + x2 * 4x) + x2(3 + 4x + x2)) = 0 (-15 + -20x + -5x2 + (12x + 16x2 + 4x3) + x2(3 + 4x + x2)) = 0 (-15 + -20x + -5x2 + 12x + 16x2 + 4x3 + (3 * x2 + 4x * x2 + x2 * x2)) = 0 (-15 + -20x + -5x2 + 12x + 16x2 + 4x3 + (3x2 + 4x3 + x4)) = 0 Reorder the terms: (-15 + -20x + 12x + -5x2 + 16x2 + 3x2 + 4x3 + 4x3 + x4) = 0 Combine like terms: -20x + 12x = -8x (-15 + -8x + -5x2 + 16x2 + 3x2 + 4x3 + 4x3 + x4) = 0 Combine like terms: -5x2 + 16x2 = 11x2 (-15 + -8x + 11x2 + 3x2 + 4x3 + 4x3 + x4) = 0 Combine like terms: 11x2 + 3x2 = 14x2 (-15 + -8x + 14x2 + 4x3 + 4x3 + x4) = 0 Combine like terms: 4x3 + 4x3 = 8x3 (-15 + -8x + 14x2 + 8x3 + x4) = 0 Solving -15 + -8x + 14x2 + 8x3 + x4 = 0 Solving for variable 'x'. The solution to this equation could not be determined.
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