# Factorise ac-3+3x-a

• February 23rd 2011, 05:46 AM
FailInMaths
Closed
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Factorise ac-3+3x-a
Is there a possible solution for this?

Thanks
• February 23rd 2011, 05:48 AM
e^(i*pi)
There is no factor common to the who equation but you can factor into two terms

$a(c-1) - 3(1-x)$
• February 23rd 2011, 05:53 AM
Prove It
If you meant $\displaystyle ac - 3 + 3c - a$

$\displaystyle = ac - a + 3c - 3$

$\displaystyle = a(c - 1) + 3(c - 1)$

$\displaystyle = (c-1)(a+3)$.
• February 23rd 2011, 05:58 AM
FailInMaths
Quote:

Originally Posted by Prove It
If you meant $\displaystyle ac - 3 + 3c - a$

$\displaystyle = ac - a + 3c - 3$

$\displaystyle = a(c - 1) + 3(c - 1)$

$\displaystyle = (c-1)(a+3)$.

Quote:

Originally Posted by e^(i*pi)
There is no factor common to the who equation but you can factor into two terms

$a(c-1) - 3(1-x)$

Thanks guys, ima go clarify this question with my teacher tomorrow, maybe the question is "bugged"