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