(6-5) × (4-2) + 12/4 = 5 PLEASE EXPLAIN HOW TO GET THIS ANSWER :)

THE FASTER THE BETTER I'M IN A HURRY

A=bxh3.2x1.8=5.76 centimeters square

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.