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

Help me and i'll help you earn more points if the question is right-example-1
User Rebel
by
3.4k points

1 Answer

21 votes
21 votes
-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.
User Yasd
by
3.6k points