Pre-Algebra Examples

$\sqrt[3]{2 x - 4} = - 2$

Step 1

Factor $2$ out of $2 x - 4$ .

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Step 1.1

Factor $2$ out of $2 x$ .

$\sqrt[3]{2 (x) - 4} = - 2$

Step 1.2

Factor $2$ out of $- 4$ .

$\sqrt[3]{2 x + 2 \cdot - 2} = - 2$

Step 1.3

Factor $2$ out of $2 x + 2 \cdot - 2$ .

$\sqrt[3]{2 (x - 2)} = - 2$

Step 2

Graph each side of the equation. The solution is the x-value of the point of intersection.

$x = - 2$

Step 3