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July 30, 2015

Homework Help: Maths

Posted by Felicity on Sunday, March 28, 2010 at 8:27pm.

Alright I'm doing a maths review (grade 11) and on the page, the subtitle says "Quadratics" and then underneath is the questions, no instructions. I figured out the first one "y^2+2y+1" and got to "(y+1)^2", but the second question is "49-(2y-w)^2".

I can't figure out what to do with it... should I expand it out and deal with it or will I get right back to that? I think maybe it's confusing me because it's in a different format, but I'd like some help, thanks.

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