Write the following cubes in expanded form:(2x+1)^3

1.	Write the following cubes in expanded form:(2x+1)^3
Answer» (2x)^3 + (1)^3 + 3×2x ×1(2x+1)=8x^3+1+6x(2x+1)=8x^3+1+12x^2+6x

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