Question

Find the complete factorization of the expression. 12xy + 21xyz + 45xz

A) xyz(12 + 21 + 45)

B) 3x(4y + 7yz + 15z)

C) x(12y + 21yz + 45z)

D) 3(4xy + 7xyz + 15xz)

Answer 1

B

Explanation:

I did it on usa test prep

Answer 2

= 3x*( 4y+7yz+15z)
B is the answer