algebra
posted by Joe .
Perform the indicated operation
(w^21)/(w1) x (w^2+2w+1)

(w^2 + 2w + 1) = (w + 1)^2
(w^2  1) = (w  1)(w + 1)
Therefore, (w^2  1) / (w  1) = (w  1)(w + 1) / (w1) = (w + 1)
Multiply (w + 1) by (w + 1)^2
(w + 1)(w + 1)^2
= (w + 1)^3