7n^2=9n

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Solution for 7n^2=9n equation:


Simplifying
7n2 = 9n

Solving
7n2 = 9n

Solving for variable 'n'.

Reorder the terms:
-9n + 7n2 = 9n + -9n

Combine like terms: 9n + -9n = 0
-9n + 7n2 = 0

Factor out the Greatest Common Factor (GCF), 'n'.
n(-9 + 7n) = 0

Subproblem 1

Set the factor 'n' equal to zero and attempt to solve: Simplifying n = 0 Solving n = 0 Move all terms containing n to the left, all other terms to the right. Simplifying n = 0

Subproblem 2

Set the factor '(-9 + 7n)' equal to zero and attempt to solve: Simplifying -9 + 7n = 0 Solving -9 + 7n = 0 Move all terms containing n to the left, all other terms to the right. Add '9' to each side of the equation. -9 + 9 + 7n = 0 + 9 Combine like terms: -9 + 9 = 0 0 + 7n = 0 + 9 7n = 0 + 9 Combine like terms: 0 + 9 = 9 7n = 9 Divide each side by '7'. n = 1.285714286 Simplifying n = 1.285714286

Solution

n = {0, 1.285714286}

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