Question

Factorise:
2(x + y)^2-9(x+y)- 5 - 0​

Answer 1

Step-by-step explanation:

2(x + y)² - 9( x + y ) -5 = 0

2(x + y)²-10 (x+y) +1(x+y) -5 = 0

2(x+y)[(x + y - 5)]+1(x + y -5 ) = 0

(x + y -5 ){2(x + y) + 1}=0

(x+y-5)(2x+2y+1) =0