Question

Simplify the given expression
√-54+√-96?

Answer 1

Let's do them one by one. First can you simplify Sqrt[-54]?

Answer 2

alright

Answer 3

OK, what do you get?

Answer 4

27?

Answer 5

How'd you get that?

Answer 6

i kno i divied 54 by 2 which is wrong right?

Answer 7

Yes, you have to split 54 into two numbers, one of which has a perfect square root. Also remember that since it's negative, "i", will be in the answer.

So I'll give you a hint, split it into sqrt(-1 * 9 * 6). The -1 and the 9 can be moved outside the radical. What do you get?