( 3a² - 6a² - 24a ) ÷ ( a - 4 ) ( a+2 )
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Answer:
a(3a²-6a-24)÷(a-4)×(a+2)
a[3a²-12a+6a-24]÷(a-4)(a+2)
a[3a(a-4)+6(a-4)]÷(a-4)(a+2)
a[(3a+6)(a-4)] ÷(a-4)(a+2)
3a(a+2)÷(a+2)
3a
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