Question

step by step (r+s)²-(r+s)(r-s)​

Answer 1

Answer:

s^2 + 2rs

Step-by-step explanation:

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

s^2 + 2rs

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Answer 2

Answer:

Step-by-step explanation:

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

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

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

In the above equation since one r^2 is positive and other r^2 is negative.

So both will be cancelled out.

And answer will be

2rs+2s^2

=2s(r+s). (answer)

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