You need to distribute the numerical factors for each term in the parenthesis:

This equals

Answer:
x=6.54
Step-by-step explanation:
Start off by cross multiplying what you are given ;)
6*109=654
Since you are solving for the missing variable x divide 654/100
The final answer will be 6.54
Hope this helps if not just reply so I can better explain
Answer:
-2x
Step-by-step explanation:
<u>ANSWER</u>
The correct answer is option A
<u>EXPLANATION</u>
The orthocenter is the point of intersection of all the altitudes of the triangle.
The altitudes are the vertical height of the triangle.
The altitudes emanate from one vertex of the triangle and meet the opposite side at right angles.
From the given diagrams, option A is the correct answer, because it has all the altitudes intersecting at a common point called the orthocenter.
45/15 but if you want it simplified its 3