
Kris V. answered 06/30/17
Tutor
5
(36)
Experienced Mathematics, Physics, and Chemistry Tutor
5l3 + 5l2w - 2lw - 2w2
= 5l3 - 2lw + 5l2w - 2w2
= l (5l2 - 2w) + w (5l2 - 2w)
= (5l2 - 2w) (l + w)