Use the laws of logarithms to expand and simplify each expression. (a) log = 1723 8 log (x) - 7 log(y) - 3 log(z) X + 2 log (x + 2 - log(x - 17) (b) log x - 17 2 (c) In e 3x(x2 + 8)1/5 X (x - 17 )2