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August 21, 2014

August 21, 2014

Posted by **Ama** on Sunday, November 4, 2012 at 3:57pm.

x − y2 + = 0

2x2+ y2 −9 = 0

- precalculus -
**bobpursley**, Sunday, November 4, 2012 at 5:06pmadd the equations.

x+2x^2-9=0

2x^2+x-9=0

x=(-1+-sqrt(1+72))/4

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