Answer
$32x^5+240x^4+720x^3+1080x^2+810x+243$
Work Step by Step
Based on the Binomial Theorem, we have
$(2x+3)^5=(2x)^5+5(3)(2x)^4+10(3)^2(2x)^3+10(3)^3(2x)^2+5(3)^4(2x)+(3)^5=32x^5+240x^4+720x^3+1080x^2+810x+243$
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