Solve $y=ax^3+bx^2+cx+d$
I need $x$ in terms of $y$ . I do not need the roots of the cubic equation . I need to express $x$ in terms of $y, x>0$
2026-03-28 13:22:47.1774704167
Solving a cubic equation
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Substitute $x=z- \frac{b}{3a}$ and use the Cardano formula.