Update app.py

app.py

@@ -153,12 +153,13 @@ def solve_from_coeffs(degree, coeff_str):
             return f"❌ You entered {len(coeffs)} coefficients, but degree {degree} needs {int(degree)+1}.", ""
         x = sp.Symbol("x")
         poly_expr = sum(coeffs[i] * x**(int(degree) - i) for i in range(len(coeffs)))
-        latex = sp.latex(sp.Eq(poly_expr, 0))
-        roots = sp.solve(poly_expr, x)
+        equation = sp.Eq(poly_expr, 0)
+        latex_equation = sp.latex(equation)
         result = "## 🧮 Symbolic Roots:\n"
+        roots = sp.solve(poly_expr, x)
         for i, r in enumerate(roots, 1):
             result += f"- Root {i}: $${sp.latex(sp.N(r, 6))}$$\n"
-        return result, latex
+        return result, latex_equation
     except Exception as e:
         return f"❌ Error: {str(e)}", ""