Need help factoring and solving Please show work on paper for future reference, thank you
(for note, this is for what amounts to Algebra 3, so use methods that would be taught around 11-12th grade)

Consider this expression and the steps to evaluate it. 4^5(−2)^9/4^8(−2)^3 1. apply the quotient of powers:      (−2)^a/4^b 2. evaluate powers:           c/d select the value of each variable. a = _ b = _ c = _ d = _