Question

find the LCM 10z^2 + 30z and 5z^2 + 25z +30

Answer 1

@irishangel52 Can you find the factors of
\[10z^2+30z\]
and
\[5z^2+25z+30\]
?

Answer 2

10z(z + 3)

and

5(z^2 + 5z + 6)
= 5(z + 3)(z + 2)

so the lcm is 10z(z+2)(z+3)