It means without preparation, extemporaneously.
Hi maybe take a picture of the question it sounds like you are trying to solve a polynomial but the only factors of 16 are
1 and 16 -1and -16 2 and 8 and -2 and -8 i hope
But I’d you are solving a polynomial try using the quadratic formula doing something like this
remember to use SOH CAH TOA. THE SOLUTION THAT I GOT CAME OUT AS 15/8
Answer:
I really don't know..but I can try with some guideline on it.
Answer:
realy sorry but i don't know pardon mr for this
soooooooooooorrryyyyyy