Question

pls answer this step by step​

Answer 1

Step-by-step explanation:

x+y = 4

xy = 2

(x+y)^2 = x^2 + y^2 +2xy

4^2 = x^2+y^2 + 2(2)

16= x^2 + y ^2 + 4

x^2 + y^2 = 12