Expand
9t^{4}-6t^{3}+43t^{2}-14t+49
Evaluate
\left(3t^{2}-t+7\right)^{2}
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9t^{4}-6t^{3}+43t^{2}-14t+49
Square 3t^{2}-t+7.
9t^{4}-6t^{3}+43t^{2}-14t+49
Square 3t^{2}-t+7.
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