f(4)-5=3n^2+5n

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Solution for f(4)-5=3n^2+5n equation:


Simplifying
f(4) + -5 = 3n2 + 5n

Reorder the terms for easier multiplication:
4f + -5 = 3n2 + 5n

Reorder the terms:
-5 + 4f = 3n2 + 5n

Reorder the terms:
-5 + 4f = 5n + 3n2

Solving
-5 + 4f = 5n + 3n2

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 + 4f = 5n + 5 + 3n2

Combine like terms: -5 + 5 = 0
0 + 4f = 5n + 5 + 3n2
4f = 5n + 5 + 3n2

Reorder the terms:
4f = 5 + 5n + 3n2

Divide each side by '4'.
f = 1.25 + 1.25n + 0.75n2

Simplifying
f = 1.25 + 1.25n + 0.75n2

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