SOLUTION: (2x + 1)(3x^2 + 4x - 9) Can you use a box method for this word problem?

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Question 1205284: (2x + 1)(3x^2 + 4x - 9)
Can you use a box method for this word problem?
Found 2 solutions by josgarithmetic, math_tutor2020:
Answer by josgarithmetic(39630) About Me  (Show Source):
You can put this solution on YOUR website!
Yes. This works much like ordinary long multiplication in a lattice arrangement.

Answer by math_tutor2020(3817) About Me  (Show Source):
You can put this solution on YOUR website!

Yes the box method can be used. It can be used to multiply any sized polynomials (or any expression really).

Here's what the set up template will look like
3x^24x-9
2x
1

I'll leave it up to the student to fill in the gaps. Refer to this lesson for more information and examples.

Here's a similar problem involving the box method.