Question 1054880
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Find the lcm of z^2+18z+81 and z^2+7z-18

Use factored form for your answer 
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1.  {{{z^2+18z+81}}} = {{{(z+9)^2}}}.


2.  {{{z^2+7z-18}}} = (z+9)*(z-2).


3.  --->  LCM = {{{(z+9)^2*(z-2)}}}.
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