Question

Simplify (y+x) 2-2xy​

Answer 1

Ans2x + 2y -2xy

Explanation:

First You need to distribute 2 to both x and y. 2x + 2y-2xy

Answer 2

y² + x²

Explanation:

Given

(y + x)² - 2xy ← expand (y + x)² using FOIL

= y² + 2xy + x² - 2xy ← collect like terms

= y² + x²