Simplify the rational expression.

2x - 16 / 2x + 8

a. x + 4 / x - 8

b. x - 8 / x + 4

c. x - 8 / 2x + 8

d. 2 ( x + 8 / x - 4 )

Answer: b

Explanation; 2x-16/2x +8. Factor numerator and denominator and we get

= 2 ( x-8) /2 ( x+4)

= x-8/x+4

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