Finding roots of polynomials

ruiyisun

New Member
Joined
Feb 7, 2015
Messages
1
Is there a code to program an excel spreadsheet so that if someone typed in the coefficients for a polynomial of up to 4 exponents, excel would be able to find the roots?
For example:
f(x)=x^3+9x^2-4x-36
I would plug 1, 9, -4, -36 into excel and the roots -2, 2, and -9 would show up in the cell
 

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