Question

Using identities solve it please fast​

Answer 1

Answer:

25/4 a² + 9/25 b² - 3ab

Step-by-step explanation:

(x-y)²=x²+y²-2xy

x=5/2 a

y=3/5 b

(5/2 a - 3/5 b)² = 25/4 a² + 9/25 b² - 3ab

Answer 2

Answer:

hii lisa one question is roaming on my mind that is are you a Korean????