Negative six sevenths -6/7
(X+60)(x+2) is the answer
-21
I hope this helps and have a wonderful day filled with joy!!
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Answer:

Step-by-step explanation:
Given
See attachment
Required
Determine the measure of 
.
So, we have:

Where:


Substitute these values in the above equation.


Collect Like Terms:


I don't understand what you mean but this might be the answer