Question
$$-3x-9x+7x^4+6 = 0$$
Answer
This equation has no solution.
Explanation
$$ \begin{aligned} -3x-9x+7x^4+6 &= 0&& \text{simplify left side} \\[1 em]7x^4-12x+6 &= 0&& \\[1 em] \end{aligned} $$
This polynomial has no rational roots that can be found using Rational Root Test.
Roots were found using quartic formulas
This page was created using
Polynomial Equations Solver