Question

Simplify the following expression
(x+y)²​

Answer 1

`{x}^(2) + 2xy + {y}^(2)`

Explanation:

1) Use square sum: (a + b)² = a² + 2ab + b².

`{x}^(2) + 2xy + y^(2)`

Therefor, the answer is x² + 2xy + y².