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BigorU [14]
2 years ago
15

Help me and i'll help you earn more points if the question is right

Mathematics
1 answer:
lubasha [3.4K]2 years ago
6 0
-21x^3 - 8x^3 = -29x^3
-7/4x^(1/2) - 0 = -7/4x^(1/2)
-6x^(1/4)
-12x^(-1/2)
12x^(-1/4)
14x^4

Therefore, the correct option is the 2nd one.
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