exam
Maths Puzzle
Numerical Ability
which of the following is equivalent to the rational number x-2/x+4
a. x^2+6x+8/x^2+4x+4
b. x^2+6x+8/x-4
c. x^2-4/x^2+6x+8
d. x^2+4x+4/x^2+6x+8
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