Answer:
Following are the complete solution in the attached file.
Step-by-step explanation:
Step-by-step explanation:
sorry I don't now but when I now I will tell you ok but mybe it 12×12×12
Answer: 
Step-by-step explanation:
(3x^2+x-1)(x^4-2x+1)
=3x^6-6x^3+3x^2+x^5-2x^2+x-x^4+2x-1
=3x^6+x^5-x^4-6x^3+x^2+3x-1
Hope this helps!! :)
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