riley-white_60c20af7e5812
riley-white_60c20af7e5812
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Î=b²-4ac Î=(-3)²-4*2*1 Î= 9-8 Î= 1 x= -b±âÎ/2a x= -(-3)±â1/2*2 x= 3±1/4 x´=3+1/4= 4/4= 1 x´´=3-1/4= 2/4= 1/2 Fácil!!!!!!!