f(-4n)=4(-4n)2-5(4n)

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


Simplifying
f(-4n) = 4(-4n) * 2 + -5(4n)

Remove parenthesis around (-4n)
f * -4n = 4(-4n) * 2 + -5(4n)

Reorder the terms for easier multiplication:
-4f * n = 4(-4n) * 2 + -5(4n)

Multiply f * n
-4fn = 4(-4n) * 2 + -5(4n)

Remove parenthesis around (-4n)
-4fn = 4 * -4n * 2 + -5(4n)

Reorder the terms for easier multiplication:
-4fn = 4 * -4 * 2n + -5(4n)

Multiply 4 * -4
-4fn = -16 * 2n + -5(4n)

Multiply -16 * 2
-4fn = -32n + -5(4n)

Remove parenthesis around (4n)
-4fn = -32n + -5 * 4n

Multiply -5 * 4
-4fn = -32n + -20n

Combine like terms: -32n + -20n = -52n
-4fn = -52n

Solving
-4fn = -52n

Solving for variable 'f'.

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

Divide each side by '-4n'.
f = 13

Simplifying
f = 13

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