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if x.y=30 and x+y=10.3, what is x? i been told by my teacher to use quadratic formula , and him and i did it , we end up having , x1=5.155.89i and x2=5.15+5.89i, y1=30/(5.155.89i) and y2=30/(5.15+5.89i).and he told to go 
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x=(21.83+60.66i)/(5.155.89i) i is the square root of (1) then x should equal 10.3 but i do not know how to figure it out please show me hoe thank you 
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x=(5.155.89i)+(30/(5.155.89i)) i is the square root of (1) the answer sholud equal 10.3 x=10.3 but could you show me how , i am having problem to figure it out. thank you. 
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x=(5.155.89i).(30/(5.155.89i)) i is the suare root of (1) what is x. please help me , i cant figure it out. thank you. 
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