Precalculus Examples

$a = \frac{1}{2} h (b_{1} + b_{2})$

Step 1

Apply the distributive property.

$a = \frac{1}{2} \cdot (h b_{1} + h b_{2})$

Step 2

Apply the distributive property.

$a = \frac{1}{2} (h b_{1}) + \frac{1}{2} (h b_{2})$

Step 3

Multiply $\frac{1}{2} (h b_{1})$ .

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Step 3.1

Combine $h$ and $\frac{1}{2}$ .

$a = \frac{h}{2} b_{1} + \frac{1}{2} (h b_{2})$

Step 3.2

Combine $\frac{h}{2}$ and $b_{1}$ .

$a = \frac{h b_{1}}{2} + \frac{1}{2} (h b_{2})$

Step 4

Multiply $\frac{1}{2} (h b_{2})$ .

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Step 4.1

Combine $h$ and $\frac{1}{2}$ .

$a = \frac{h b_{1}}{2} + \frac{h}{2} b_{2}$

Step 4.2

Combine $\frac{h}{2}$ and $b_{2}$ .

$a = \frac{h b_{1}}{2} + \frac{h b_{2}}{2}$