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Simplifying (-7x3 + 4x2 + 1)(3 + -1x) = 0 Reorder the terms: (1 + 4x2 + -7x3)(3 + -1x) = 0 Multiply (1 + 4x2 + -7x3) * (3 + -1x) (1(3 + -1x) + 4x2 * (3 + -1x) + -7x3 * (3 + -1x)) = 0 ((3 * 1 + -1x * 1) + 4x2 * (3 + -1x) + -7x3 * (3 + -1x)) = 0 ((3 + -1x) + 4x2 * (3 + -1x) + -7x3 * (3 + -1x)) = 0 (3 + -1x + (3 * 4x2 + -1x * 4x2) + -7x3 * (3 + -1x)) = 0 (3 + -1x + (12x2 + -4x3) + -7x3 * (3 + -1x)) = 0 (3 + -1x + 12x2 + -4x3 + (3 * -7x3 + -1x * -7x3)) = 0 (3 + -1x + 12x2 + -4x3 + (-21x3 + 7x4)) = 0 Combine like terms: -4x3 + -21x3 = -25x3 (3 + -1x + 12x2 + -25x3 + 7x4) = 0 Solving 3 + -1x + 12x2 + -25x3 + 7x4 = 0 Solving for variable 'x'. The solution to this equation could not be determined.
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