f(7f-9)=0

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Solution for f(7f-9)=0 equation: 


Simplifying
f(7f + -9) = 0

Reorder the terms:
f(-9 + 7f) = 0
(-9 * f + 7f * f) = 0
(-9f + 7f2) = 0

Solving
-9f + 7f2 = 0

Solving for variable 'f'.

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


Subproblem 1
Set the factor 'f' equal to zero and attempt to solve:

Simplifying
f = 0

Solving
f = 0

Move all terms containing f to the left, all other terms to the right.

Simplifying
f = 0

Subproblem 2
Set the factor '(-9 + 7f)' equal to zero and attempt to solve:

Simplifying
-9 + 7f = 0

Solving
-9 + 7f = 0

Move all terms containing f to the left, all other terms to the right.

Add '9' to each side of the equation.
-9 + 9 + 7f = 0 + 9

Combine like terms: -9 + 9 = 0
0 + 7f = 0 + 9
7f = 0 + 9

Combine like terms: 0 + 9 = 9
7f = 9

Divide each side by '7'.
f = 1.285714286

Simplifying
f = 1.285714286
Solution
f = {0, 1.285714286}

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