book Maths Puzzle Numerical Ability

log base(9) 9 exp11 - log base(4) 64

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((( x^4 -x^2 -12 = 0)))) Can you please help me with this problems Using long division to solve this. I just am not getting the correct answers. Can someone please help me? 6x^4+2x^3-3x^2+20x-22=(3x^2-2x+5)*(_____)+(_____)