The answer should be x=60. ABD are an equilateral triangle all the angles must add up to 180. 60*3=180. Also if you have a protractor you can measure the angle C, the 60 degrees part and measure it against A, D and B. Hope this helps.
Answer:
yes
Step-by-step explanation:
ANSWER

EXPLANATION
The given expression is

We factor to get,

This implies that,

We factor further to obtain,

or