-12 = 4 x 3 x -1 so sqrt = 2i root 3
-12.012
-12 (negative twelve)
-3 + -12 = -15
-6
You cannot simplify them. If they are negative they have to stay negative.
-12 = 4 x 3 x -1 so sqrt = 2i root 3
15
±√114 Not being a perfect square, you can't really simplify it further. It's absolute value is approximately 10.677. If on the other hand, that "114" was a typo, and you meant to type "144", then the answer is positive twelve and negative twelve.
6 and 1/5
2
Minus twelve
-12.012
-12 (negative twelve)
-3 + -12 = -15
5/12 is in its simplest form.
neg 16