Question

when adding √16 and -8 which type of number is the sum?
which is integer but someone please tell me why its an integer

Answer 1

Answer:

You may notice that (2−√5)(2+√5)=−1, hence the given number is α−1α with α being a root of p(x)=(x3−2)2−5=x6−4x3−1.

Step-by-step explanation: