Question

simply (v + 2) (v-5)

Answer 1

Use FOIL:

multiply v by v
\[v \times v=v ^{2}\]

multiply v by -5
\[v \times -5=-5v\]

multiply 2 by v
\[2 \times v=2v\]

multiply 2 by -5
\[2 \times -5=-10\]

add terms
\[v ^{2}-5v+2v-10\]

simplify
\[v ^{2}-3v-10\]