Asked by Anonymous

what is the square root of -2?\
how would you solve this equation:
square root of -2(square root of -18) + square root of -25?
Answered by TutorCat
http://www.purplemath.com/modules/complex.htm
Answered by Henry
sqrt(-2) * sqrt(-18) + sqrt(-25).

sqrt(2*-1) * sqrt(9*2*-1) + sqrt(25*-1)= i*sqrt(2) * 3i*sqrt(2) + 5i =
3i^2 * 2 + 5i =
3(-1) * 2 + 5i =
-6 + 5i.