Thread: Basic Factorisation

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.

Originally Posted by Katie McMeeking

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. ...

OK, this gives:



and that is all you can do.

RonL

Thankyou - life saver! I knew it should be simple. ...