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Multiplying Polynomials

100

(2x-3)(x+5)

2x²+7x-15

200

(7-x)(4+3x)

-3x²+17x+28

300

(5x-5)(9x+2)

45x²-35x-10

400

(x+5)(x²-3x-2)

x³+2x²-17x-10

500

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

2x²-5/2x-3/4

Sum and Difference

100

(y+9)+(2y-3)

3y+6

200

(2x²+5)+(-x²+4)

x²+9

300

(-3x²+x)-(2x²+7)

-5x²+x-7

400

(x²-3xy+y²)+(-x²+xy+y²)

-2xy+2y²

500

(-x²+4x)-(x²-3x+15)

-2x²+7x-15

Solving Polynomials

100

x(x+8)=0

x=0 and -8

200

(x+6)(x-5)=0

x=-6 and 5

300

(4x-12)²=0

x=3

400

(1/2x+4)(x-8)=0

x=-8 and 8

500

(1/3x-2)(1/3x+2)=0

x=6 and -6

Factoring Polynomials

100

Factor:

5x²+45x

5x(x+9)

200

3x³-9x²

3x²(x-3)

300

20x³+30x²

10x²(2x+3)

400

4x³-8x+12

4(x³-2x+3)

500

5x²+20x+50

5(x²+4x+10)

Solving Polynomials

100

Solve

2x+10=0

x=-5

200

Solve

6x²+12x=0

0,-2

300

Solve

8x³-2x²=2x³-5x²

0,-.5

400

Solve

6x³+39x²=0

0,-13/2

500

Solve

2x²=2piy

0, and pi