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January 30, 2015

Posted by **PLEASE HELP** on Monday, May 7, 2012 at 8:52pm.

144X^2-25Y^2+864X-100Y-2404=0

Y^2-4X^2-12Y-16X+16=0

- Math -
**Reiny**, Monday, May 7, 2012 at 9:28pmI will do the hard one, you do the easy one

144x^2 + 864x + .... - (25y^2 + 100y + ...) =2404

144(x^2 + 6x + ....) - 25(y^2 + 4y + ...) = 2404

144(x^2 + 6x +**9**) - 25(y^2 + 4y +**4**) = 2404 +**1296**-**100**

144(x+3)2 - 25(y+2)^2 = 3600

divide each term by 3600

(x+3)^2 /25 - (y+2)^2 /144 = 1

do the 2nd one the same way

- Math -
**Anonymous**, Monday, February 25, 2013 at 3:05pm3455

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