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Simplifying (x2 + 8x + -7)(x2 + 9x + -5) = 0 Reorder the terms: (-7 + 8x + x2)(x2 + 9x + -5) = 0 Reorder the terms: (-7 + 8x + x2)(-5 + 9x + x2) = 0 Multiply (-7 + 8x + x2) * (-5 + 9x + x2) (-7(-5 + 9x + x2) + 8x * (-5 + 9x + x2) + x2(-5 + 9x + x2)) = 0 ((-5 * -7 + 9x * -7 + x2 * -7) + 8x * (-5 + 9x + x2) + x2(-5 + 9x + x2)) = 0 ((35 + -63x + -7x2) + 8x * (-5 + 9x + x2) + x2(-5 + 9x + x2)) = 0 (35 + -63x + -7x2 + (-5 * 8x + 9x * 8x + x2 * 8x) + x2(-5 + 9x + x2)) = 0 (35 + -63x + -7x2 + (-40x + 72x2 + 8x3) + x2(-5 + 9x + x2)) = 0 (35 + -63x + -7x2 + -40x + 72x2 + 8x3 + (-5 * x2 + 9x * x2 + x2 * x2)) = 0 (35 + -63x + -7x2 + -40x + 72x2 + 8x3 + (-5x2 + 9x3 + x4)) = 0 Reorder the terms: (35 + -63x + -40x + -7x2 + 72x2 + -5x2 + 8x3 + 9x3 + x4) = 0 Combine like terms: -63x + -40x = -103x (35 + -103x + -7x2 + 72x2 + -5x2 + 8x3 + 9x3 + x4) = 0 Combine like terms: -7x2 + 72x2 = 65x2 (35 + -103x + 65x2 + -5x2 + 8x3 + 9x3 + x4) = 0 Combine like terms: 65x2 + -5x2 = 60x2 (35 + -103x + 60x2 + 8x3 + 9x3 + x4) = 0 Combine like terms: 8x3 + 9x3 = 17x3 (35 + -103x + 60x2 + 17x3 + x4) = 0 Solving 35 + -103x + 60x2 + 17x3 + x4 = 0 Solving for variable 'x'. The solution to this equation could not be determined.
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