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correct answer is marked brainalist
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Answered by
0
Answer:
1)7x
2)-3a
c)18/6x
bro I am not confirmed it
Answered by
4
Answer:
I) (2x+1)³
8x³+3(2x×1)+1
8x³+6x+1.
2) (2a-3b)³
8a³-3(2a×3b)+27b³
8a³-18ab+27b³
3) (3/2x+1)³
27/8x³+3(3/2x+1)+1
27/8x³+9x+1
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