Multiplying
Adding
Subtracting
100

(x+7)(x-7)

x2-49

100

(14x+5)+(10x+5)

24x+10

100

(3x+4)-(1x+6)

2x-2

200

(2x-3)2

4x2-12x+9

200

(17x2+11)+(8x2+11)

25x2+22

200

(6x+14)-(9x+5)

-3x+9

300

(5x-3)2

25x2+9

300

(9x2+12)+(7x2+10x+13)

16x2+10x+25

300

(14x2+13x+12)-(7x2+20x+4)

7x2-7x+8

400

(5x-3)(2x+7)

10x2+29x-21

400

(4x2-6x+7)+(-19x2-15x-18)

-15x2-21x-11

400

(17x2+7x-14)-(6x2-5x-18)

11x2+2x+4

500

(2x+8)(x-3)

2x2+2x-24

500

(5x6+9x3-6x)+(-9x6-20x2-6x)

-4x6+9x3-20x2

500

(18x2+4x-16)-(15x2+4x-13)

-3x2-3