Question

v^2+3v-40=0
is the answer 0?

Answer 1

v=0?

Answer 2

no, x=-8 or 5
\[v^{2}+3v-40=0\]
\[v^{2}-5v+8v-40=0\]
\[v\left( v-5 \right)+8\left( v-5 \right)=0\]
\[\left( v+8 \right)\left( v-5 \right)=0\]
v+8=0, v-5=0
v=-8 or v=5

Answer 3

so would the anser be v=-8,5?

Answer 4

yes