2f(1)=3(2+1)(2+1)-1

Solution for 2f(1)=3(2+1)(2+1)-1 equation:

Simplifying
2f(1) = 3(2 + 1)(2 + 1) + -1

Reorder the terms for easier multiplication:
2 * 1f = 3(2 + 1)(2 + 1) + -1

Multiply 2 * 1
2f = 3(2 + 1)(2 + 1) + -1

Combine like terms: 2 + 1 = 3
2f = 3(3)(2 + 1) + -1

Combine like terms: 2 + 1 = 3
2f = 3 * 3(3) + -1

Multiply 3 * 3
2f = 9 * 3 + -1

Multiply 9 * 3
2f = 27 + -1

Combine like terms: 27 + -1 = 26
2f = 26

Solving
2f = 26

Solving for variable 'f'.

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

Divide each side by '2'.
f = 13

Simplifying
f = 13