Question

simplify (4x+y)^2+(4x-y)(4x+y)+(y-4x)^2​

Answer 1

Answer:

(16x²+y²+8xy) +(16x²-y²)+(y²-8xy+14x²)

16x²+y²+8xy+16x²-y²+y²-8xy+14x²

16x²+16x²+14x²+y²-y²+y²-8xy+8xy

46x²+y²

thanks for thanking it