Question

simplify using algebraic identities ​

Answer 1

(r)²+(s)²+2(r×s)-[(r)²- (s)²]

r²+s²+ 2rs-[r² - s²]

r²+s²+2rs-r²+s²

2s²+2rs

Answer 2

Answer:

here is your answer

Step-by-step explanation:

(r+s)^2 - (r)^2 - (s) ^2 ( by using (a+b)(a-b) = (a)^2 - (b)^2 )

now you can solve this