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Question

If x3+3x3x2+1=18961 then find the value of x?

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Solution

We have,
x3+3x3x2+1=18961
61(x3+3x)=189(3x2+1)61x3+183x=567x2+18961x3567x2+183x189=0
Then,
We get x=9

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