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1 minute ago, JoeyDM said:

https://www.wolframalpha.com/input/?i=x2+%2B+3y+-+3x+-+xy

 

Wolfram alpha is great. I suggest using it for checking your work though.

ive tried that but I think the answer is supposed to be something like (x-9)(y+6) (Thats an example) 

 

Ignore that. Im a retard

 

Breaking things 1 day at a time

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x^2 + 3y - 3x - xy
x^2 - 3x + 3y - xy
x(x - 3) + y(3 - x)
x(x - 3) - y(x - 3)
(x - y)(x - 3)

Group like terms!

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