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You could divide each side by 't' to get 9t2=16 , then divide each side by 9 to get t2=16/9 ,

then take the square root of each side to get t=(plus or minus) 9 .

That would give you two of the three solutions that you know a 3rd degree equation must have.

You could look back at your original equation, scratch your chin for a moment, and realize that

t=0 is also a solution.

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14y ago

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Q: How do you solve 9t³ equals 16t?
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