Question

3(l+m)²-5(l+m)+2
factorise
by using split method​

Answer 1

Answer:

Step-by-step explanation:

3(l+m)² - 5(l+m) + 2

= 3(l+m)² - 3(l+m) - 2(l+m) + 2

=3(l+m) (l +m - 1) -2(l+m-1)

= (l+m - 1)(3(l+m) - 2)

= (l+m - 1) (3l + 3m - 2)