slove this

i think the answer is 0😛

but whatt are the valueess of x and y?

Hmm😃...I have done many of those questions but before solving it we need to know the unknownvariable😛

Easy 😳

Answer: x - y

😊

x

Originally posted by: Daisy!!

(x+y)+(x-y)
x2 -xy + xy -y2
therefore the ans. is x2 - y2

see i m smart 😉

yea.....this is exactly the work i was doing....i agree w/ u

Originally posted by: living.doll

when i was in class 6/7 i had to remember those theories. 😭 😭
i hate maths. 😭