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Mathematics 20 Online
OpenStudy (anonymous):

whats the root of 2x^2+2x-1

OpenStudy (anonymous):

Use quadratic formula: (-2+/-SQRT(4+4))/4 => (-2 +/- 2SQRT(2))/4 => (-1 +/- SQRT(2))/2

OpenStudy (anonymous):

|dw:1323981716835:dw|

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