From the sum of -265 and -156 subtract the sum of 356 and -250 pls send with showing how to do the sum
Pls ASAP

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.

N- 3 is the answer