( i i ) ( x ^ { 4 } - 81 ) \div ( x ^ { 3 } + 3 x ^ { 2 } + 9 x + 27 ) – InterviewSolution

1.	( i i ) ( x ^ { 4 } - 81 ) \div ( x ^ { 3 } + 3 x ^ { 2 } + 9 x + 27 )
Answer» (x^2-9)(x^2+9)/(x^2+9)(x+3)=(x-3)(x+3)/(x+3)=x-3

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