Which of the following is equivalent to 36ab^2 - 28ab when it is completely factored?

A. 2ab(18b - 14)
B. 4ab(9b - 7)
C. 12ab(3b - 2)
D. 4(9ab2 - 7ab)

Question

Which of the following is equivalent to 36ab^2  -  28ab when it is completely factored?

A. 2ab(18b  -  14)
B. 4ab(9b  -  7)
C. 12ab(3b  -  2)
D. 4(9ab2  -   7ab)

campbell_st · Answer

well what are the common factors of 36ab^2 and 28ab

or to make it easier to see

$$4 \times 9 \times a \times b \times b... and.... 4 \times - 7 \times a \times b$$

the common factors are outside the brackets and everything left behind is inside

anonymous · Answer

So is it A B C or D

anonymous · Answer

It's B.
Try to learn this next time man.

campbell_st · Answer

well as @thefoe1990 said... try and learn it... it just makes life easier

anonymous · Answer

Crap I didn't even see you trying to help him. Sorry about that.