Pls help. The answer needs to have 3x^2 in front I’m sure with another answer as well. I asked a different question like this but got it wrong because they only gave me half of the answer.

Pls Help The Answer Needs To Have 3x2 In Front Im Sure With Another Answer As Well I Asked A Different Question Like This But Got It Wrong Because They Only Gav class=

Answer :

Answer:

9x^2+21x

Step-by-step explanation:

Area formula for a rectangle: L · W

L=3x

W=3x+7

Since it says multiplying polynomials

I'm guessing you do the Box method

3x(3x+7) = 9x^2+21x

Hope this helps! :)

Correct me if I'm wrong