1. ## Another factorising question.

OK one more problem I have

$6(2x+y)^2-26x-13y+6$

There are several ones like these i need to do but I should be able to do those if I can tackle this one. I have no clue where to start with this one.

2. Originally Posted by Gerard
OK one more problem I have

$6(2x+y)^2-26x-13y+6$

There are several ones like these i need to do but I should be able to do those if I can tackle this one. I have no clue where to start with this one.
It can be re-written as $6 (2x + y)^2 - 13(2x + y) + 6$ which has the form $6a^2 - 13 a + 6$. So factorise $6a^2 - 13 a + 6$, substitute $a = 2x + y$ and simplify.

3. Alright thanks for the help.