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Simplifying 9x2 + -79u + 56 = 0 Reorder the terms: 56 + -79u + 9x2 = 0 Solving 56 + -79u + 9x2 = 0 Solving for variable 'u'. Move all terms containing u to the left, all other terms to the right. Add '-56' to each side of the equation. 56 + -79u + -56 + 9x2 = 0 + -56 Reorder the terms: 56 + -56 + -79u + 9x2 = 0 + -56 Combine like terms: 56 + -56 = 0 0 + -79u + 9x2 = 0 + -56 -79u + 9x2 = 0 + -56 Combine like terms: 0 + -56 = -56 -79u + 9x2 = -56 Add '-9x2' to each side of the equation. -79u + 9x2 + -9x2 = -56 + -9x2 Combine like terms: 9x2 + -9x2 = 0 -79u + 0 = -56 + -9x2 -79u = -56 + -9x2 Divide each side by '-79'. u = 0.7088607595 + 0.1139240506x2 Simplifying u = 0.7088607595 + 0.1139240506x2
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