Multiplying Polynomials

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# Multiplying Polynomials - PowerPoint PPT Presentation

Multiplying Polynomials. How do we find the area of a square?. The correct formula is written above. Use it to find the area of the square below. As we have already said, to find the area, we square the length of a side. .

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## PowerPoint Slideshow about 'Multiplying Polynomials' - eara

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### Multiplying Polynomials

The correct formula is written above.

Use it to find the area of the square below.

A=lw

A=(x+3)(x+1)

How do we get from (x+3)(x+1) to ?

We have already seen that 2(x+1) = 2x+2

We were able to do this multiplication by using the

distributive property. We can also use the

distributive property when we are multiplying

polynomials by polynomials.

We need to remember to distribute each

term in the first set of parentheses through

the second set of parentheses.

Example:

(X+3)(x+1)=(x)(x)+(x)(1)+(3)(x)+(3)((1)

Let’s work a few of these.

1.) (x+2) (x+8)

2.) (x+5) (x-7)

3.) (2x+4) (2x-3)