The lengths of the sides of the triangles are represented below. What is the perimeter of the triangle?
2x2 + 3, x² + 2x, and 5x – 8

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.