Question

let x=2y & z=9.
Then __ solve

(x²+ 2xz + z square ) = ? (x+2) square.​

Answer 1

Answer:

let x=2y & z=9.

(x²+ 2xz + z ^2) = (x+2)^2

4y^2+36y+81=4y^2+8y+4

36y-8y=4-81

y= -77/28