Evaluate
\left(\left(x+1\right)\left(2x+1\right)\right)^{10}
Expand
1024x^{20}+15360x^{19}+108800x^{18}+483840x^{17}+1514880x^{16}+3549312x^{15}+6456480x^{14}+9336960x^{13}+10901460x^{12}+10377180x^{11}+8097453x^{10}+5188590x^{9}+2725365x^{8}+1167120x^{7}+403530x^{6}+110916x^{5}+23670x^{4}+3780x^{3}+425x^{2}+30x+1
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