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Mathematics 23 Online
OpenStudy (anonymous):

Which of the following is a perfect square trinomial? A. 25x2+16x-9y2 B.25x2-30x+9y2 C.35x2+30x-9y2 D.25x2-16x+9y2

OpenStudy (raffle_snaffle):

What do you think?

OpenStudy (anonymous):

I think its either a or c

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