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2x2-7x+3 solve by completing method |
| Answer» X2-7/2x+3/2=0,x2-7/2x=-3/2,half of 7/2 and of its square, add both sides, then x2-7/2+(7/4)sq.=-3/2+(7/4)sq., (x-7/4)sq =-3/2+49/16, (x-7/4)sq =25/16, after solving we get x=1/2and x=3 | |