Factoring Polynomials & Determining Zeros
Synthetic Division
Long Division
Factoring Rules
100

Factor the polynomial:

x3+7x2+10x 

x(x+5)(x+2)

100

Use Synthetic Division to divide the following equation:

(x2-3x-40)/ (x+5)

x-8

100

Divide the polynomial by long division.

(3x3+7x-20) / (x2+4)

3x + (-5x-20)/(x2+4)

100

What is rule for factoring a sum of cubes?

a3+b3=(a2-ab+b2)

200

Factor the polynomial:

9x3+6x2-3x

3x(3x-1)(x+1)

200

Use Synthetic Division to solve the following equation:

(x3+3x2-x+2)/(x-1)

x2+4x+3, R:5

200

Use Long Division to solve the following equation:

(2x3+3x2+18x-8) / (x2-4)

2x+3+(26x+4)/(x2-4)

200

What is rule for factoring a difference of squares?

a2-b2=(a+b)(a-b)

300

Factor the polynomial and find the zeros:

3x3+12x2-3x=12

x=-4,-1,1

300

Use Synthetic Division to solve the following equation:

(x3+27) / (x+3)

x2-3x+9

300

Use Long Division to solve the following equation:

(x2-7x+10)/ (x+3)

x-10+40/(x+3)

300

The following is an example of which factoring rule? 

8x3-1=(2x-1)(4x2+2x+1)

Difference of cubes

400

Factor the polynomial to find the zeros. 

2x3=4x2+22x+24

x=-3, 1, 4

400

Use Synthetic Division to solve the following equation:

(x4+3x3+x+4) / (x+3)

x3-3x2+12x-35, R:109

400

Use Long Division to solve the following equation:

(x3+5x2-3x-1) / (x-1)

x2+6x+3+2/(x-1)

400

The following is an example of which identity? 

x2+10x+25=(x+5)2

Perfect Square Trinomials 

500

Factor the polynomial to find the zeros. 

x3+1=x2+x

x=-1,1

500

Use Synthetic Division to solve the following equation:

(x5+1) / (x+1)

x4-x3+x2-x+1

500

Use Long Division to solve the following equation:

(2x2+x-7) / (x-5)

2x+11+48/(x-5)

500

Factor the polynomial.

16x3-54y6

(2)(2x-3y2)(4x2+6xy2+9y4)

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