Hi guys,

How do I factorise 3y+9z+by+3bz?

Just explain to me what you would do to factorise it.

Thanks! (Yes)

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- Jul 22nd 2013, 11:57 PMSimimanoFactorising:Grouping
Hi guys,

How do I factorise 3y+9z+by+3bz?

Just explain to me what you would do to factorise it.

Thanks! (Yes) - Jul 23rd 2013, 01:36 AMchiroRe: Factorising:Grouping
Hey Simimano.

Hint: Try looking for common factors one at a time.

For example if you factorize by y you get 3y + by = y(3+b). Factorize by z you get 3bz + 9z = z(3b+9).

Try doing this for different terms and see what you get.

Also note that ab + ac = a*(b+c).