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14n + 21
Just distribute the 7 to the 2n and the 3.
7(2n + 3)
(7 * 2n) + (7 * 3)
14n + 21
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Step-by-step explanation:
First factor out the negative sign from the expression and reorder the terms
That's

<u>Using trigonometric </u><u>identities</u>
That's
<h3>

</h3>
<u>Rewrite the expression</u>
That's

We have
<h3>

</h3>
<u>Rewrite the second fraction</u>
That's
<h3>

</h3>
Since they have the same denominator we can write the fraction as

Using the identity
<h3>

</h3>
<u>Rewrite the expression</u>
We have
<h3>

</h3>
<u>Using the trigonometric identity</u>
<h3>

</h3>
<u>Rewrite the expression</u>
That's
<h3>

</h3>
Which is
<h3>

</h3>
<u>Using the trigonometric identity</u>
<h3>

</h3>
Rewrite the expression
That's
<h3>

</h3>
<u>Simplify the expression using symmetry of trigonometric functions</u>
That's
<h3>

</h3>
<u>Remove the parenthesis </u>
We have the final answer as
<h2>

</h2>
As proven
Hope this helps you
Based on the information given, the bisected angle, quadrilateral, and congruent angles will be explained.
<h3>How to illustrate the information?</h3>
It should be noted that a quadrilateral simply means a closed shape that has four sides and four angles. These include square, rectangle, parallelogram, etc.
A bisected angle simply illustrates a line that splits an angle onto two equal angles.
Congruent segments are the segments that have the same length.
The diagrams are attached accordingly.
Learn more about quadrilateral on:
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Answer:
3.50 divided by 5=70 70 times five is 3.50
Step-by-step explanation: