Question

find (4x+5y)(4y-5y)
please answer​

Answer 1

Answer:

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

16xy-20xy+20y²-25y²

-4xy-5y²

Answer 2

(4 x plus 5y) (4y-5y)

16xy-20xy+20y2-25y2

4xy+5y2

so the answer is 4 x y + 5 y square