exam Maths Puzzle Numerical Ability

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FIND ALL ROOTS OF THE POLYNOMIAL x3-x2+16x-16.

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exam Other Question

(2m^2p^3)^2(4m^2p)^-2/(-3mp^4)^-1(2m^3p^4)^3 Solve:
4^(x^2-x)(128^x)=8^3/(1/8) Note:The 1/8 is the denominator of 8^3.