Evaluate
\frac{\left(3b^{2}-8b+6\right)^{2}}{4}
Expand
\frac{9b^{4}}{4}-12b^{3}+25b^{2}-24b+9
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\frac{9}{4}b^{4}-12b^{3}+25b^{2}-24b+9
Square 3-4b+\frac{3}{2}b^{2}.
\frac{9}{4}b^{4}-12b^{3}+25b^{2}-24b+9
Square 3-4b+\frac{3}{2}b^{2}.
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