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Mathematics 21 Online
OpenStudy (anonymous):

Solve: x2 – x = 2

OpenStudy (anonymous):

cant wait

OpenStudy (amistre64):

(x^2 -x +(1/4)) -2-(1/4) = 0 (x-(1/2))^2 -(9/4) = 0 x -1/2 = +- 3/2 x = 1/2 +- 3/2

OpenStudy (amistre64):

x = 2 and x = -1

OpenStudy (anonymous):

i knew it!

OpenStudy (anonymous):

x2-x-2=0 (x-2)(x+1)=0 x=2o rx=-1

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