pre calc points of intersection

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whats the point of intersection?

x^2-4y^2-20x-64y-172=0

16x^2+4y^2-320x+64y+1600=0

Jul 30th, 2015

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x^2-4y^2-20x-64y-172=0

16x^2+4y^2-320x+64y+1600=0

x*x*-4y*4y-20x+64y-172

16x*16x+4y*4y-320x+64y+1600

15x15-16+9.3


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Jul 30th, 2015

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