What are the first two steps in solving the radical equation below? x +3 - 7 = 15
O A. Square both sides and then subtract 3 from both sides.
O B. Add 7 to both sides and then subtract 3 from both sides.
O C. Square both sides and then add 7 to both sides.
O D. Add 7 to both sides and then square both sides.

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.

Using the rise/run rule. you would get 2/6.simp. 1/3