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Mathematics 21 Online
OpenStudy (anonymous):

Factor completely: 2x2 - 12x + 18

OpenStudy (mertsj):

Factor out the 2 first 2(x^2-6x+9)

OpenStudy (mertsj):

Now think of factors of 9 whose sum is -6

OpenStudy (mertsj):

Oh I know. -3 times -3 is 9 and -3 + -3 is -6

OpenStudy (mertsj):

I think I'll try -3 and -3 2(x-3)(x-3)

OpenStudy (anonymous):

yeah that answer is there thanks.

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