Question

Find the square of following 3xy - 5y

Answer 1

Answer:

9x^2 y^2+25y^2-15xy^2

Step-by-step explanation: (3xy-5y)^2

1) using identity (a-b)^2=a^2+b^2-2ab

(3xy)^2+(5y)^2+3xy×5y

9x^2×y^2+25y^2+15xy^2

hope this helps!!!