Question

Expand the following by the suitable identities:

1. (y - 5)^2

2. (√3x - 3)^2

3. (6x^2 + 4 )^2

4. (23
x + 2 )^2
please answer fastly​

Answer 1

Answer:

using identify

x+y^2 is equal to x^2+y^2+2xy