Question

f(x)=x^4+x^3-11x^2-9x+18 Use the rational zeros theorem to find all the real zeros of the polynomial function. Use the zeros to factor f over the real numbers. x=? f(x)=?

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f(x)=x^4+x^3-11x^2-9x+18 Use the rational zeros theorem to find all the real zeros of the polynomial function. Use the zeros to factor f over the real numbers.
x=?
f(x)=?