What is -15x=0 solution

Here is the method for solving that equation:

Step #1:  Write the equation:

             -15x = 0

Step #2:  Divide each side of the equation by -15 :

                 x = 0

First step is to get rid of the square root. remember that a square root is the same as raising to the (1/2) power. see below: multiply exponents per exponent rules to get: remember you subtract exponents from the denominator and add exponents in the numerator so: simplify further: so a is the correct choice. if you don't understand this google exponent rules and it will you understand. look at the image results.