Homework Help

Factor by grouping: ab-3a+4b-12

kim609's profile pic

Posted via iOS

dislike 1 like

Factor by grouping: ab-3a+4b-12

2 Answers | Add Yours

justaguide's profile pic

Posted (Answer #1)

dislike 1 like

The expression ab-3a+4b-12 has to be factored.


= a(b - 3) + 4(b - 3)

= (a + 4)(b - 3)

The factored form of ab-3a+4b-12 = (a + 4)(b - 3)

atyourservice's profile pic

Posted (Answer #2)

dislike 0 like

ab-3a+4b-12 just find what they have in common


a(b-3) 4(b-3)

(b-3) (a+4) you can go even father if you want and get the main answer by setting the parenthesis equal to zero.

(b-3) = 0




Join to answer this question

Join a community of thousands of dedicated teachers and students.

Join eNotes