factorise fully
3x^227y^2
i got 3(x^29y^2)
but didn't get full marks?

Cathy20155
I did the same exactly but I realised that isn't fully factoried as x^2 9y^2 is differemce of 2 squares the answer is 3(x3y)(x+3y)

djsutt0n
thanks

Me
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