How do u find the lcm v^3+4v^+4v, v^2-4z the lcm is ___(__)^2 (v-___)

v^3+4v^+4v = v(v^2 + 4v + 4) = v(v+2)^2

v^2 - 4v = v(v-4)

so LCM = v(v-4)(v+2)^2