What is the product?
(7x2)(2x + 5) (*-4x-9)
14x5 – x4 - 46x3 - 58x2 - 20x-45
14x6 – 56x5 – 91x4 – 140x3 - 315x2
14x? - 56x6 – 126x5 + 35x4 - 140x3 - 315x2
0 14x12 - 182x + 35x4 - 455x2

Answer: c. x y2 04 66 16

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.