Inactive Tutor answered 08/16/14
Tutor
New to Wyzant
question 3 is easier if you factor the quadratic expressions
(z-1)(z-2)(z+2)(z+4) = 1
(z+4)(z-1)(z+2)(z-2)
Nikky C.
asked 08/16/14Inactive Tutor answered 08/16/14
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