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Use the root-solving method to obtain the root of x^4-10x^3-50x+24=0 within the error range of 10^-4....

Use the root-solving method to obtain the root of x^4-10x^3-50x+24=0 within the error range of 10^-4. (Put in the initial x^(0)=3.5 / Please make the significant figure 10^-5.)
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