Question

( (4x - 5y)2 - (4x + 5y) (4x+6y)​

Answer 1

Step-by-step explanation:

(4x-5y)(4x-5y-4x-5y)(4x+6y)

-10y(4x-5y)(4x+6y)

Answer 2

Step-by-step explanation:

(4)2-(5)2 - 4x + 5y × 4x+6y

16-25-9xy×10xy

(16-25) - 9xy (10xy)