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2014-06-22T16:02:19+08:00

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Using square root property
1. t= 2 or -2
2.x= square root of 7 or -7
3. r= square root of 6 or -6
4.x= 5 square root of 6 or 5 square root of -6
0
is your answer correct?
i know but how could i find it
because 7 has no square root
huh? What's your topic? I'm using square root property
solving quadratic equation