Answer:
The length is 4 times the width
16x^4-81y^4 difference of perfect squares...
(4x^2-9y^2)(4x^2+9y^2) that's one of the equivalents...
(2x+3y)(2x-3y)(4x^2+9y^2) that's another one of them...
Just multiple, you will get 15x+25x+6x+10 and then simplify
the answer 46x+10
I have no idea what did he do
Answer:
luh jusko kalisod ba search mo yan sa goohle
