1. **State the problem:** Solve the equation $$-6\sqrt[3]{10x} + 11 = -19$$ and check the solution(s).
2. **Isolate the cube root term:** Subtract 11 from both sides:
$$-6\sqrt[3]{10x} + 11 - 11 = -19 - 11$$
$$-6\sqrt[3]{10x} = -30$$
3. **Divide both sides by -6:**
$$\cancel{-6}\sqrt[3]{10x} = \frac{-30}{\cancel{-6}}$$
$$\sqrt[3]{10x} = 5$$
4. **Cube both sides to eliminate the cube root:**
$$\left(\sqrt[3]{10x}\right)^3 = 5^3$$
$$10x = 125$$
5. **Solve for x:**
$$x = \frac{125}{10}$$
$$x = 12.5$$
6. **Check the solution:** Substitute $x=12.5$ back into the original equation:
$$-6\sqrt[3]{10(12.5)} + 11 = -6\sqrt[3]{125} + 11 = -6(5) + 11 = -30 + 11 = -19$$
The left side equals the right side, so $x=12.5$ is a valid solution.
**Final answer:** $$x = 12.5$$
Cube Root Equation 2145F8
Step-by-step solutions with LaTeX - clean, fast, and student-friendly.