Answer
$2a^{3}(5a+1)(2a+5)$
Work Step by Step
Step 1: $20a^{5}+54a^{4}+10a^{3}$
Step 2: $2a^{3}(10a^{2}+27a+5)$
Step 3: $2a^{3}(10a^{2}+2a+25a+5)$
Step 4: $2a^{3}(2a(5a+1)+5(5a+1))$
Step 5: $2a^{3}(5a+1)(2a+5)$
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