Question

factorise: (2a+b)²+5(2a+b)+6 and explain please the best answer will be marked brainliest within 15 minutes

Answer 1

let (2a+b) be y
then (2a+b)²+5(2a+b)+6=y^2+5y+6=y^2+2y+3y+6=y(y+2)+3(y+2)=(y+2)(y+3)
then put y=2a+b
answer=(2a+b+2)(2a+b+3)

Answer 2

may it will help u buddy