Question

If x+y=7 and x-y=3 Evaluate (X×y) and x²+y² Step by step explaination ​

Answer 1

Step-by-step explanation:

see if x=5 and y=2

5+2=7.

and 5-2=3

so x×y=5×2=15

and x^2+y^2=25+4=29

solved x and y using hit and trial method

hope this helps you