Question

Given xy = 4 x$y^{2}$ + $y^{2}$ = a, which expression is equal to (x + y$)^{2}$?

1. a
2. a + 8
3. a + 6
4. a + 4

Answer 1

1. a

2. a + 8

3. a + 6

4. a + 4✅