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18n^{3}+128.625
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18n^{3}+128.625
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3\left(6n^{3}+42.875\right)
Calculate 3.5 to the power of 3 and get 42.875.
18n^{3}+128.625
Use the distributive property to multiply 3 by 6n^{3}+42.875.
3\left(6n^{3}+42.875\right)
Calculate 3.5 to the power of 3 and get 42.875.
18n^{3}+128.625
Use the distributive property to multiply 3 by 6n^{3}+42.875.
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