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15a^{3}+10ab
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15a^{3}+10ab
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\left(15a^{2}+10b\right)a
Use the distributive property to multiply 3a^{2}+2b by 5.
15a^{3}+10ba
Use the distributive property to multiply 15a^{2}+10b by a.
\left(15a^{2}+10b\right)a
Use the distributive property to multiply 3a^{2}+2b by 5.
15a^{3}+10ba
Use the distributive property to multiply 15a^{2}+10b by a.
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