Question

(b+1/3)(b+1/5)
Multiply and simplify the answer.

Answer 1

is it
\[(\frac{b+1}{3})(\frac{b+1}{5})\]

Answer 2

\[=b^2+1/3*b+1/5*b+1/15=b^2+8/15*b+1/15\]

Answer 3

no, it's (b as the whole number + 1/3)(b as the whole number + 1/3)

Answer 4

\[\frac{1}{15} \left(15 b^2+8 b+1\right) \]