Please Will Give Brainliest Factor ab + bc + b2 + ac.

(a + b)(b + c)
(a + c)(b + c)
b(a + b)(b + c)

[10 points, algebra 2-simplifying complex fractions]according to my answer key the restrictions are -1 and 4. but why not positive 1?

How do i multiply two digit numbers

Which fraction is equal to 1hole and 2/5? a.3/5 b.75 c.57 d.73