# How do you simplify #5sqrt(-25) • i#?

##### 1 Answer

Nov 14, 2015

#### Explanation:

#5sqrt(-25)*i = 5isqrt(25)*i = 5i*5i = 25*i^2 = -25#

In common with all non-zero numbers,

The square root represented by the symbols

When

#1 = sqrt(1) = sqrt(-1 * -1) != sqrt(-1)*sqrt(-1) = -1#