Evaluate
\left(2t^{4}-7t^{3}+2t-1\right)^{2}
Expand
4t^{8}-28t^{7}+49t^{6}+8t^{5}-32t^{4}+14t^{3}+4t^{2}-4t+1
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4t^{8}-28t^{7}+49t^{6}+8t^{5}-32t^{4}+14t^{3}+4t^{2}-4t+1
Square 2t^{4}-7t^{3}+2t-1.
4t^{8}-28t^{7}+49t^{6}+8t^{5}-32t^{4}+14t^{3}+4t^{2}-4t+1
Square 2t^{4}-7t^{3}+2t-1.
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