simplify the square root of -25

The answer to this problem is not a real number. In order to get a square root of a negative number we use the letter (i). (i) is not a variable. It is similar to pi it has a value. The value of i = √-1.

√-25 First of all you have to figure out what the factors of 25 are. We know them to be 1, 5 &25

√25 = 5 We are left with 5√-1

We simplify 5√-1 as: 5i