Sorry if this is too easy but I seem to have a bit of a block!
I have to Factorise 4*(a*b) - 2*(a*c)
I had a shot at it which gave me:
take out 2a. ...
2a*(8b-2c) hence
(2a-8b)(2a-2c)
this just looks wrong - any help is welcome.
Sorry if this is too easy but I seem to have a bit of a block!
I have to Factorise 4*(a*b) - 2*(a*c)
I had a shot at it which gave me:
take out 2a. ...
2a*(8b-2c) hence
(2a-8b)(2a-2c)
this just looks wrong - any help is welcome.