exam Maths Puzzle Numerical Ability

FOR FUNMATH, please help!! I cannot get the answer that is provided. The answer is (256/16)61/4 = (256^1/4)/16^1/4 = 4/2 = 2.
The problem is Solve 6/ x-3 - 7/x-5 = 1 - 11/x-1.

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exam Other Question

what is distributive properties and how do you do it?
and also how do you factor expression?
Write an expression for the slope of a line passing through the points (0,3) and (x, -9). What value of x will make the fraction equivalent to -2.

Thank you!!!
Melanie