234k views
5 votes
Which is the correct expansion of (3x+2)(3x^2+4)

User Pmcoltrane
by
5.4k points

2 Answers

3 votes

Answer:

9x^3 + 6x ^2 + 12x + 8

Explanation:

Do each individually.

First (3x^2)(3x) = 9x^3

Then (3x^2)(2) = 6x^2

Then (3x)(4) = 12x

Then (4)(2) = 8

Finally add everything together, since everything has a different exponent, then just combine like I have above.

User Foxlab
by
5.6k points
3 votes

Answer:6x + 3x^2 +4

depending on what your on

Explanation:

User Blazkovicz
by
5.5k points