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Simplifying 7u2 + 9u = 0 Reorder the terms: 9u + 7u2 = 0 Solving 9u + 7u2 = 0 Solving for variable 'u'. Factor out the Greatest Common Factor (GCF), 'u'. u(9 + 7u) = 0Subproblem 1
Set the factor 'u' equal to zero and attempt to solve: Simplifying u = 0 Solving u = 0 Move all terms containing u to the left, all other terms to the right. Simplifying u = 0Subproblem 2
Set the factor '(9 + 7u)' equal to zero and attempt to solve: Simplifying 9 + 7u = 0 Solving 9 + 7u = 0 Move all terms containing u to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + 7u = 0 + -9 Combine like terms: 9 + -9 = 0 0 + 7u = 0 + -9 7u = 0 + -9 Combine like terms: 0 + -9 = -9 7u = -9 Divide each side by '7'. u = -1.285714286 Simplifying u = -1.285714286Solution
u = {0, -1.285714286}
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