Question

Please tell that's an emergency you have to use the identity but please don't tell the identity ​

Answer 1

Step-by-step explanation:

1) (7x)^2 +2(7x)(3y) + (3y)^2

14x^2 + 42xy + 9y^2

2) (6x)^2 - 2(6x)(5y) + (5y)^2

36x^2 - 60xy + 25y

3) can't understand