pls answer this step by step
Attachments:
Answers
Answered by
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
Similar questions
Science,
3 months ago
Computer Science,
8 months ago
Math,
8 months ago
Biology,
11 months ago
History,
11 months ago