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Simplifying (x2 + 2x + -2)(x2 + 7x + -6) = 0 Reorder the terms: (-2 + 2x + x2)(x2 + 7x + -6) = 0 Reorder the terms: (-2 + 2x + x2)(-6 + 7x + x2) = 0 Multiply (-2 + 2x + x2) * (-6 + 7x + x2) (-2(-6 + 7x + x2) + 2x * (-6 + 7x + x2) + x2(-6 + 7x + x2)) = 0 ((-6 * -2 + 7x * -2 + x2 * -2) + 2x * (-6 + 7x + x2) + x2(-6 + 7x + x2)) = 0 ((12 + -14x + -2x2) + 2x * (-6 + 7x + x2) + x2(-6 + 7x + x2)) = 0 (12 + -14x + -2x2 + (-6 * 2x + 7x * 2x + x2 * 2x) + x2(-6 + 7x + x2)) = 0 (12 + -14x + -2x2 + (-12x + 14x2 + 2x3) + x2(-6 + 7x + x2)) = 0 (12 + -14x + -2x2 + -12x + 14x2 + 2x3 + (-6 * x2 + 7x * x2 + x2 * x2)) = 0 (12 + -14x + -2x2 + -12x + 14x2 + 2x3 + (-6x2 + 7x3 + x4)) = 0 Reorder the terms: (12 + -14x + -12x + -2x2 + 14x2 + -6x2 + 2x3 + 7x3 + x4) = 0 Combine like terms: -14x + -12x = -26x (12 + -26x + -2x2 + 14x2 + -6x2 + 2x3 + 7x3 + x4) = 0 Combine like terms: -2x2 + 14x2 = 12x2 (12 + -26x + 12x2 + -6x2 + 2x3 + 7x3 + x4) = 0 Combine like terms: 12x2 + -6x2 = 6x2 (12 + -26x + 6x2 + 2x3 + 7x3 + x4) = 0 Combine like terms: 2x3 + 7x3 = 9x3 (12 + -26x + 6x2 + 9x3 + x4) = 0 Solving 12 + -26x + 6x2 + 9x3 + x4 = 0 Solving for variable 'x'. The solution to this equation could not be determined.
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