13 x 6 = 78 it cant be multiplied anymore so it can go into 80 about 6 times.
ANSWER

EXPLANATION
The given expression is

The middle radical contains a perfect square.



Note that:


Polynomials can have double roots, in fact they're pretty common. if you get a reasonable zero it costs very little time to try it again for a double root. answer is the second choice
Answer:
B)7+n
Step-by-step explanation: