Question

(r + s)^2 – (r + s) (r – s).​

Answer 1

Answer:

2s(s+r)

Step-by-step explanation:

r^2+s^2+2rs-(r^2-s^2)

r^2+s^2+2rs-r^2+s^2

2s^2+2rs

2s(s+r)