Expand
81b^{2}+54b^{3}+18b^{4}-36b^{5}
Evaluate
-9b^{2}\left(4b^{3}-2b^{2}-6b-9\right)
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-36b^{5}+18b^{4}+54b^{3}+81b^{2}
Use the distributive property to multiply -9b^{2} by 4b^{3}-2b^{2}-6b-9.
-36b^{5}+18b^{4}+54b^{3}+81b^{2}
Use the distributive property to multiply -9b^{2} by 4b^{3}-2b^{2}-6b-9.
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