chelsea71001 chelsea71001

16-02-2017
Mathematics

contestada

what is the solution of 2x squared plus x minus 3 equals 0

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Madison5s Madison5s

16-02-2017

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

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