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operations with complex numbers

100

(3+i)(2-i)

-i+7

200

(13+i^2)(i+2)

i^3+13i+24

300

(2+5+i)(7-i)

50

400

(15-7i)(3+i^2)

-7i^3-21i+30

500

(13-5+i)(4-i^2)

-i^2+4i+40

grouping

100

x^3+x^2+x+1

X=1 X= +/- radical 1

200

n^3+5n^2-9n-45

n+5 n= +/- 3

300

y^3-7y^2+4y-28

y=7 y= +/-2

400

x^3-3x^2-16x+48

x=3 x= +/- 4

500

3m^3-m^2+9m-3

m= 1/3 m= +/- radical 3

foiling

100

(3x+1)(2+3)

15x+6

200

(2x^2+7)(5x+2)

10x^3+4x^2+35x+14

300

(15x^5+1)(15x^3-4)

15x^8-60x^5+15x^3-4

400

(5x^3+2x+1)(3x+1)

15x^4+5x^3+6x^2+6x+1

500

(xy^3+7y+2x)(5x+x+xy^4)

6x^2y^3+x^2y^7+42yx+7xy^5+12x^2+2x^2y^4

polynomial functions given the zeros

100

1,3,-4

x^3-2x^2-11x-12

200

4,5i,-3

x^3+24x^2-37x-300

300

2i,-2i,7

x^3-7x^2+4x-28

400

5i,-2,4+radical4

x^5-6x^4+23x^3-122x^2+750x+700

500

2-radical 9, -7i, 5, 2

x^6-11x^5+81x^4-607x^3+2098x^2-3332x+1327

polynomials

100

2d+3+d-1

3d+2

200

5x-1+2-1+5x

10x

300

7d^3+2d+5

7d^3+2d+5

400

8d-3+9d^3-d^3+13d^2+4

6d^3+13d^2+8d+1

500

3x^3+2x^2+5x+2

3x^3+2x^2+5x+2