What two numbers multiply to make the 1st number and add to make the 2nd number. Multiply 48; Add -49

1. -16,-3
2. -48, -1
3. -6, -8
4. -12, -2

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.