1. Evaluate products of expressions

I have an exercise in my Algebra book which asks me the following:

Evaluate the products of the following expression:

3x2(-4xy3)(-6x2y2)
I am not really sure how to do this, because I am multiplying polynomials. Can anyone please help me out with this one?

2. Re: Evaluate products of expressions

Hello, kkm!

Evaluate: .$\displaystyle 3x^2(\text{-}4xy^3)(\text{-}6x^2y^2)$

I am not really sure how to do this, because I am multiplying polynomials. . . . . no

If you are confused at this level, you may need more help than we can offer.

There are no polynomials is this problem.

We have: .$\displaystyle 3\cdot x^2\cdot(\text{-}4)\cdot x \cdot y^3\cdot(\text{-}6)\cdot x^2 \cdot y^2$

. . . . . .$\displaystyle =\;(3)(\text{-}4)(\text{-}6)\cdot (x^2)(x)(x^2)\cdot(y^3)(y^2)$

Can you finish it now?

3. Re: Evaluate products of expressions

Thank you for clarifying my mistake, Soroban.

Is the end result: 72x2xy3y2 ?

4. Re: Evaluate products of expressions

Originally Posted by Soroban
Hello, kkm!

If you are confused at this level, you may need more help than we can offer.
Where could I get a refresh on this topic on the Internet? I think I am lacking basic knowledge to solve these kind of problems.

5. Re: Evaluate products of expressions

Originally Posted by kkm
Where could I get a refresh on this topic on the Internet? I think I am lacking basic knowledge to solve these kind of problems.
Practical Algebra Lessons