Evaluate
\left(D-1\right)^{4}
Expand
D^{4}-4D^{3}+6D^{2}-4D+1
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\left(D^{2}-2D+1\right)^{2}
To find the opposite of 2D-1, find the opposite of each term.
D^{4}-4D^{3}+6D^{2}-4D+1
Square D^{2}-2D+1.
\left(D^{2}-2D+1\right)^{2}
To find the opposite of 2D-1, find the opposite of each term.
D^{4}-4D^{3}+6D^{2}-4D+1
Square D^{2}-2D+1.
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