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Please help me with this math problem thank you m8

Please help me with this math problem thank you m8-example-1
User Vasily Vlasov
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1 Answer

21 votes
21 votes

To answer this question we will use the following properties:


\begin{gathered} a(b+c)=ab+ac, \\ x^nx^m=x^(n+m). \end{gathered}

Using the distributive property we get:


(3x+2)(9x^2+5x+3)=3x\cdot9x^2+3x\cdot5x+3x\cdot3+2\cdot9x^2+2\cdot5x+2\cdot3.

Simplifying the above result we get:


(3x+2)(9x^2+5x+3)=27x^3+15x^2+9x+18x^2+10x+6.

Adding like terms, we get:


27x^3+33x^2+19x+6.

Answer:


27x^3+33x^2+19x+6.

User Ali Kazemkhanloo
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