Question

7 + 10 (x + y) - 8 (x + y) ²​

Answer 1

Answer:

let (x+y) be a

now

7 + 10a - 8a^2

7 + (14 - 4)a - 8a^2

7+ 14a - 4a -8a^2

7(1+ 2a) - 4a( 1+ 2a)

(7 - 4a) ( 1 + 2a)