f(5)-5=5n^2+7n

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Solution for f(5)-5=5n^2+7n equation:


Simplifying
f(5) + -5 = 5n2 + 7n

Reorder the terms for easier multiplication:
5f + -5 = 5n2 + 7n

Reorder the terms:
-5 + 5f = 5n2 + 7n

Reorder the terms:
-5 + 5f = 7n + 5n2

Solving
-5 + 5f = 7n + 5n2

Solving for variable 'f'.

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

Add '5' to each side of the equation.
-5 + 5 + 5f = 7n + 5 + 5n2

Combine like terms: -5 + 5 = 0
0 + 5f = 7n + 5 + 5n2
5f = 7n + 5 + 5n2

Reorder the terms:
5f = 5 + 7n + 5n2

Divide each side by '5'.
f = 1 + 1.4n + n2

Simplifying
f = 1 + 1.4n + n2

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