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Simplifying (x2 + 6x + -7)(2x2 + -5x + -5) = 0 Reorder the terms: (-7 + 6x + x2)(2x2 + -5x + -5) = 0 Reorder the terms: (-7 + 6x + x2)(-5 + -5x + 2x2) = 0 Multiply (-7 + 6x + x2) * (-5 + -5x + 2x2) (-7(-5 + -5x + 2x2) + 6x * (-5 + -5x + 2x2) + x2(-5 + -5x + 2x2)) = 0 ((-5 * -7 + -5x * -7 + 2x2 * -7) + 6x * (-5 + -5x + 2x2) + x2(-5 + -5x + 2x2)) = 0 ((35 + 35x + -14x2) + 6x * (-5 + -5x + 2x2) + x2(-5 + -5x + 2x2)) = 0 (35 + 35x + -14x2 + (-5 * 6x + -5x * 6x + 2x2 * 6x) + x2(-5 + -5x + 2x2)) = 0 (35 + 35x + -14x2 + (-30x + -30x2 + 12x3) + x2(-5 + -5x + 2x2)) = 0 (35 + 35x + -14x2 + -30x + -30x2 + 12x3 + (-5 * x2 + -5x * x2 + 2x2 * x2)) = 0 (35 + 35x + -14x2 + -30x + -30x2 + 12x3 + (-5x2 + -5x3 + 2x4)) = 0 Reorder the terms: (35 + 35x + -30x + -14x2 + -30x2 + -5x2 + 12x3 + -5x3 + 2x4) = 0 Combine like terms: 35x + -30x = 5x (35 + 5x + -14x2 + -30x2 + -5x2 + 12x3 + -5x3 + 2x4) = 0 Combine like terms: -14x2 + -30x2 = -44x2 (35 + 5x + -44x2 + -5x2 + 12x3 + -5x3 + 2x4) = 0 Combine like terms: -44x2 + -5x2 = -49x2 (35 + 5x + -49x2 + 12x3 + -5x3 + 2x4) = 0 Combine like terms: 12x3 + -5x3 = 7x3 (35 + 5x + -49x2 + 7x3 + 2x4) = 0 Solving 35 + 5x + -49x2 + 7x3 + 2x4 = 0 Solving for variable 'x'. The solution to this equation could not be determined.
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