Factor the Polynomials, math homework help

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#78) a⁴b + a²b³

#52) 18z + 45 + z²

^{Factor the polynomials using whatever strategy seems appropriate. Referring back to the processes covered in Chapter 5 of Elementary and Intermediate Algebra, state which factoring methods you will use and then demonstrate the methods on your problems, explaining the process as you go. Discuss any challenges those particular polynomials posed for the factoring.}