(9-w)(9+w)

Algebra homework problem

Asked by Bad_Savave101 on 03 Mar 05:44

Last updated by Jill W on 04 Mar 18:33

Answered by Jill W on 04 Mar 18:32

According to my calculator, your answer should read as follows:

(9−w)(9+w) =

(9+−w)(9+w) =

(9)(9)+(9)(w)+(−w)(9)+(−w)(w)

=81+9w−9w−w2

=−w2+81