Trigonometry Examples

$9 (8 x - 8) + 13 x$

Step 1

Simplify each term.

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Step 1.1

Apply the distributive property.

$9 (8 x) + 9 \cdot - 8 + 13 x$

Step 1.2

Multiply $8$ by $9$ .

$72 x + 9 \cdot - 8 + 13 x$

Step 1.3

Multiply $9$ by $- 8$ .

$72 x - 72 + 13 x$

$72 x - 72 + 13 x$

Step 2

Add $72 x$ and $13 x$ .

$85 x - 72$

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$