Simplify this expression. (2+3)65-77)
√5 + 5-2
10 + 15 - 14 - 21
25-27
215+3/5-277-317

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.

25. 22 + 1 2 25