(4f+1)(5)=

Solution for (4f+1)(5)= equation:

Simplifying
(4f + 1)(5) = 0

Reorder the terms:
(1 + 4f)(5) = 0

Reorder the terms for easier multiplication:
5(1 + 4f) = 0
(1 * 5 + 4f * 5) = 0
(5 + 20f) = 0

Solving
5 + 20f = 0

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 + 20f = 0 + -5

Combine like terms: 5 + -5 = 0
0 + 20f = 0 + -5
20f = 0 + -5

Combine like terms: 0 + -5 = -5
20f = -5

Divide each side by '20'.
f = -0.25

Simplifying
f = -0.25