Answer:
$324
Step-by-step explanation:
Step-by-step explanation:
60° + 60° + x + x = 180°. (Sum of angles in a triangle = 180°)
Therefore 2x = 60° and x = 30°.
The factors of the given expression
will be 
<h3>What will be the factors of the given equation?</h3>
It is given that

Now by simplifying it

Now from the formula, we know

So it will become

Thus the factors of the given expression
will be (7x+12)(7x-12)
To know more about the Factors follow
brainly.com/question/25829061
Answer: The answer is the last one. Hope this helps!