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Simplifying (x2 + 6x + -7)(2x2 + -5x + -3) = 0 Reorder the terms: (-7 + 6x + x2)(2x2 + -5x + -3) = 0 Reorder the terms: (-7 + 6x + x2)(-3 + -5x + 2x2) = 0 Multiply (-7 + 6x + x2) * (-3 + -5x + 2x2) (-7(-3 + -5x + 2x2) + 6x * (-3 + -5x + 2x2) + x2(-3 + -5x + 2x2)) = 0 ((-3 * -7 + -5x * -7 + 2x2 * -7) + 6x * (-3 + -5x + 2x2) + x2(-3 + -5x + 2x2)) = 0 ((21 + 35x + -14x2) + 6x * (-3 + -5x + 2x2) + x2(-3 + -5x + 2x2)) = 0 (21 + 35x + -14x2 + (-3 * 6x + -5x * 6x + 2x2 * 6x) + x2(-3 + -5x + 2x2)) = 0 (21 + 35x + -14x2 + (-18x + -30x2 + 12x3) + x2(-3 + -5x + 2x2)) = 0 (21 + 35x + -14x2 + -18x + -30x2 + 12x3 + (-3 * x2 + -5x * x2 + 2x2 * x2)) = 0 (21 + 35x + -14x2 + -18x + -30x2 + 12x3 + (-3x2 + -5x3 + 2x4)) = 0 Reorder the terms: (21 + 35x + -18x + -14x2 + -30x2 + -3x2 + 12x3 + -5x3 + 2x4) = 0 Combine like terms: 35x + -18x = 17x (21 + 17x + -14x2 + -30x2 + -3x2 + 12x3 + -5x3 + 2x4) = 0 Combine like terms: -14x2 + -30x2 = -44x2 (21 + 17x + -44x2 + -3x2 + 12x3 + -5x3 + 2x4) = 0 Combine like terms: -44x2 + -3x2 = -47x2 (21 + 17x + -47x2 + 12x3 + -5x3 + 2x4) = 0 Combine like terms: 12x3 + -5x3 = 7x3 (21 + 17x + -47x2 + 7x3 + 2x4) = 0 Solving 21 + 17x + -47x2 + 7x3 + 2x4 = 0 Solving for variable 'x'. The solution to this equation could not be determined.
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