If x is equal to 1/2-root 3 ,then find x cube minus 2x square minus 7x plus 5
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x=1/(2-√3) = 2+√3
x3-2x²-7x+5 = x²(x-2)-7x+5 = √3(2+√3)²-7(2+√3)+5 = 7√3+12-14-7√3+5 = 7
x3-2x²-7x+5 = x²(x-2)-7x+5 = √3(2+√3)²-7(2+√3)+5 = 7√3+12-14-7√3+5 = 7
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