Question

(7x+4y)²-(7y-4y)² please answer this​

Answer 1

(7x+4y)²-(7y-4y)²

={(7x)^2 +(4y)^2 +2*7x*4y)} -

{(7x)^2+(4y)^2-2*7x*4y)}

={49x^2 +16y^2 +56xy -49x^2 -16y^2 +56xy}

=112xy

hope it helps u.

mark brainliest

Answer 2

Answer:

For this question (7x+4y)²+(2x-4y)² this is the answer. Pls mark it as a brainlist answer:-)