Answer:
mam speak english these numbers are
ANSWER

EXPLANATION
The given expression is

We multiply out to obtain,

Recall that,

We apply this rule to obtain,

This simplifies to
Answer:
the answer is 4√7
Step-by-step explanation:
Using Pythagoras Thereon
It is 16²+ 4²
= 256+16
= √272
= √16.49
= 4√7