Question

which expressions are equivalent to $-f - 5(2f - 3)$?
choose all answers that apply:
a $-11f - 3$
b $-11f + 15$
c none of the above

Explanation:

Step1: Distribute the -5

Multiply -5 with each term inside the parentheses: $-f - 5\times2f + (-5)\times(-3)$ which simplifies to $-f - 10f + 15$.

Step2: Combine like terms

Combine the $f$ terms: $(-f - 10f) + 15 = -11f + 15$.

Answer:

B. $-11f + 15$