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4 votes
If b=p+5 and a=p^2+10p+1 find an expression that equals 2b+3a in standard form

2 Answers

3 votes

Answer:

3p² + 32p + 13

Explanation:

3p² + 32p + 13

User France
by
5.1k points
6 votes

Answer:

3p² + 32p + 13

Explanation:

Okay, so lets first solve for 2b. 2b = 2(p + 5), which is equal to 2p + 10. Now, let's solve for 3a. 3a = 3(p² + 10p +1), simplifying to 3p² + 30p +3. After adding 2b and 3a, we are able to get 2p + 10 + 3p² + 30p + 3 = 3p² + 32p + 13

User Afloz
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4.4k points