Expand
24a^{3}-44a^{2}-140a
Evaluate
4a\left(2a-7\right)\left(3a+5\right)
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\left(8a^{2}-28a\right)\left(3a+5\right)
Use the distributive property to multiply 4a by 2a-7.
24a^{3}+40a^{2}-84a^{2}-140a
Apply the distributive property by multiplying each term of 8a^{2}-28a by each term of 3a+5.
24a^{3}-44a^{2}-140a
Combine 40a^{2} and -84a^{2} to get -44a^{2}.
\left(8a^{2}-28a\right)\left(3a+5\right)
Use the distributive property to multiply 4a by 2a-7.
24a^{3}+40a^{2}-84a^{2}-140a
Apply the distributive property by multiplying each term of 8a^{2}-28a by each term of 3a+5.
24a^{3}-44a^{2}-140a
Combine 40a^{2} and -84a^{2} to get -44a^{2}.
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