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OpenStudy (anonymous):
solve: 2x^2 - x = 15
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jhonyy9 (jhonyy9):
2x2 -x -15 =0 x_1,_2=(1+/- sqrt(1+120))/4 =(1+/- sqrt121)/4 = (1+/- 11)/4 = -10/4 = -5/2 and 12/4 =3
jhonyy9 (jhonyy9):
ok ?
OpenStudy (anonymous):
thanks
jhonyy9 (jhonyy9):
yw and good luck medal ?
jhonyy9 (jhonyy9):
thank you
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