exam Maths Puzzle Numerical Ability

(-7b^3+2b-3)(5b^2-2b+4) Help Me Figure How To Multiply This Polynomial!!

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can some one please help, i do not knwo how to figure this out. thanks
76. x^3-1/x^2+1 divided by 9x^2+9x+9/x^2-x
Convert to logaritmic equations. 16^3/3=16 and e^x=5