Answer:
3(x-4) / 2x (option A)
Explanation:
Pull out like factors:
3x^2-48 = 3 (x^2-16 )
2x^2 + 8x = 2x (x+4)
Factor x^2 - 16
(x+4)(x-4)
3 (x+4) (x-4 ) / 2x (x+4)
Cancel out (x+4)
3(x-4) /2x
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