solve for t : t^6+4t^3=45

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solve for t : t^6+4t^3=45

Mathematics
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At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.

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let\[t^3=u\] it converts into an easy solving quadratic equation
start with \[t^6+4t^3-45=0\] then factor. if it is not clear how to factor write as \[x^2+4x-45=0\] and factor that
\[u^2+4u-45=0\]

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Other answers:

Can u do from here?
can you help still from this point?
sure\[\begin{array} \\u^2+9u-5u-45=0 \\ \therefore u(u+9)-5(u+9)=0 \\ \therefore (u-5)(u+9)=0\\ u=5 or u= -9 \\ \therefore t^3=5 or t^3=-9 \end {array}\]
thank you!!! this helped a lot!
Yw :D
wait so is the answer 5 or -9 or is it something else too?

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