The rational roots of the polynomial given in the question are -4/5 and 3/4.
Given-
Given polynomial function is,
The given polynomial function has the four-degree equation in which the greatest power of the variable is four. Suppose one root of <em>x </em>is 1 to solve it further. So one factor is,
Rewrite the given equation,
On the factor above equation, we get.
On the factor, we get,
Hence, the rational roots of the polynomial given in the question are -4/5 and 3/4.
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