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I have posted a link there to this thread so the OP can see my work.Use Newton's Method to find all roots of the equation sinx= x^2-3x+1 correct to six decimal places.?

I think first thing that I need to do is

let x^2-3x+1-sinx=0

then f(x)=x^2-3x+1-sinx

But I am stuck here...

I don't know how to get the interval and how to get x1

Please please explain how to solve this question for me.

Thank you!