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Simplifying (x2 + 5x + -6)(x2 + 2x + -15) = 0 Reorder the terms: (-6 + 5x + x2)(x2 + 2x + -15) = 0 Reorder the terms: (-6 + 5x + x2)(-15 + 2x + x2) = 0 Multiply (-6 + 5x + x2) * (-15 + 2x + x2) (-6(-15 + 2x + x2) + 5x * (-15 + 2x + x2) + x2(-15 + 2x + x2)) = 0 ((-15 * -6 + 2x * -6 + x2 * -6) + 5x * (-15 + 2x + x2) + x2(-15 + 2x + x2)) = 0 ((90 + -12x + -6x2) + 5x * (-15 + 2x + x2) + x2(-15 + 2x + x2)) = 0 (90 + -12x + -6x2 + (-15 * 5x + 2x * 5x + x2 * 5x) + x2(-15 + 2x + x2)) = 0 (90 + -12x + -6x2 + (-75x + 10x2 + 5x3) + x2(-15 + 2x + x2)) = 0 (90 + -12x + -6x2 + -75x + 10x2 + 5x3 + (-15 * x2 + 2x * x2 + x2 * x2)) = 0 (90 + -12x + -6x2 + -75x + 10x2 + 5x3 + (-15x2 + 2x3 + x4)) = 0 Reorder the terms: (90 + -12x + -75x + -6x2 + 10x2 + -15x2 + 5x3 + 2x3 + x4) = 0 Combine like terms: -12x + -75x = -87x (90 + -87x + -6x2 + 10x2 + -15x2 + 5x3 + 2x3 + x4) = 0 Combine like terms: -6x2 + 10x2 = 4x2 (90 + -87x + 4x2 + -15x2 + 5x3 + 2x3 + x4) = 0 Combine like terms: 4x2 + -15x2 = -11x2 (90 + -87x + -11x2 + 5x3 + 2x3 + x4) = 0 Combine like terms: 5x3 + 2x3 = 7x3 (90 + -87x + -11x2 + 7x3 + x4) = 0 Solving 90 + -87x + -11x2 + 7x3 + x4 = 0 Solving for variable 'x'. The solution to this equation could not be determined.
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