Examples

$3 x - 4 (x + 4) = 2$

Step 1

Simplify $3 x - 4 (x + 4)$ .

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Step 1.1

Simplify each term.

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Step 1.1.1

Apply the distributive property.

$3 x - 4 x - 4 \cdot 4 = 2$

Step 1.1.2

Multiply $- 4$ by $4$ .

$3 x - 4 x - 16 = 2$

Step 1.2

Subtract $4 x$ from $3 x$ .

$- x - 16 = 2$

Step 2

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

$x \approx - 18$

Step 3