Answer
$(2x+1)^{4}=16x^{4}+32x^{3}+24x^{2}+8x+1$
Work Step by Step
We use the values from the 4th row of Pascal's Triangle to find the coefficients:
$(2x+1)^{4}=(2x)^{4}+4(2x)^{3}+6(2x)^{2}+4(2x)+1=16x^{4}+32x^{3}+24x^{2}+8x+1$
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