Question

Factor by grouping Ab+4+a+4b

Answer 1

=ab+a+4b+4

Hope this helps (:

Answer 2

Answer:

Factor by grouping Ab+4+a+4b

$(b+1)(a+4)$

Step-by-step explanation:

Factor by grouping:

$ab+4+a+4b$ (1)

We have some common terms, the term a and the number 4: $ab+a+4+4b\\a(b+1)+4(b+1)$:

Now, we have other common term, (b+1)

$a(b+1)+4(b+1)\\(b+1)(a+4)$