Question

Simplify the expression.

Answer 1

what is 1-4 = ???

Answer 2

3

Answer 3

no

Answer 4

4 -1 = 3 but 1-4 = ?

Answer 5

Oh sorry I got dyslexic there. 1 - 4 = -3

Answer 6

ok, so all you have to do is add the digits, and the only reason you can do that is because is the same sqrt, so the sqrt stay the same
so what is the answer

Answer 7

C

Answer 8

you dont add the sqrt, the sqrt stays the same

Answer 9

is not C

Answer 10

B

Answer 11

correct,
remember if is would have different sqrt then you can no add, for example
2sqrt3+3sqrt2 (this equation you can not add)

Answer 12

Thanks

Answer 13

yw :)