Answers

2014-04-19T20:34:30+05:30
Y^2+24y-21y-504=y*(y+24)-21*(y+24)=(y+24)*(y-21)
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2014-04-20T08:52:38+05:30
Y²+3y-504
y²+24y-21y-504
y(y+24)-21(y+24)
(y-21)(y+24)
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