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Simplifying (w2 + w + -1)(w2 + 7w + -9) = 0 Reorder the terms: (-1 + w + w2)(w2 + 7w + -9) = 0 Reorder the terms: (-1 + w + w2)(-9 + 7w + w2) = 0 Multiply (-1 + w + w2) * (-9 + 7w + w2) (-1(-9 + 7w + w2) + w(-9 + 7w + w2) + w2(-9 + 7w + w2)) = 0 ((-9 * -1 + 7w * -1 + w2 * -1) + w(-9 + 7w + w2) + w2(-9 + 7w + w2)) = 0 ((9 + -7w + -1w2) + w(-9 + 7w + w2) + w2(-9 + 7w + w2)) = 0 (9 + -7w + -1w2 + (-9 * w + 7w * w + w2 * w) + w2(-9 + 7w + w2)) = 0 (9 + -7w + -1w2 + (-9w + 7w2 + w3) + w2(-9 + 7w + w2)) = 0 (9 + -7w + -1w2 + -9w + 7w2 + w3 + (-9 * w2 + 7w * w2 + w2 * w2)) = 0 (9 + -7w + -1w2 + -9w + 7w2 + w3 + (-9w2 + 7w3 + w4)) = 0 Reorder the terms: (9 + -7w + -9w + -1w2 + 7w2 + -9w2 + w3 + 7w3 + w4) = 0 Combine like terms: -7w + -9w = -16w (9 + -16w + -1w2 + 7w2 + -9w2 + w3 + 7w3 + w4) = 0 Combine like terms: -1w2 + 7w2 = 6w2 (9 + -16w + 6w2 + -9w2 + w3 + 7w3 + w4) = 0 Combine like terms: 6w2 + -9w2 = -3w2 (9 + -16w + -3w2 + w3 + 7w3 + w4) = 0 Combine like terms: w3 + 7w3 = 8w3 (9 + -16w + -3w2 + 8w3 + w4) = 0 Solving 9 + -16w + -3w2 + 8w3 + w4 = 0 Solving for variable 'w'. The solution to this equation could not be determined.
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