Answer
$x^5+10x^4+40x^3+80x^2+80x+32$
Work Step by Step
Use the Binomial Theorem, we have
$(x+2)^5=x^5+5(2)x^4+10(2)^2x^3+10(2)^3x^2+5(2)^4x+(2)^5
=x^5+10x^4+40x^3+80x^2+80x+32$
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