factor
f(x)+g(x) or f(x)-g(x)
f(x)*g(x)
(f o g)(x)
Could be anything
100

x2 - 25y2

(x-5y) (x+5y)

100

f(x)=4x+3

+

g(x)=-7x-14

-3x-11

100

f(x)=5x-1

g(x)=2x

10x2-2x

100

f(x)=9x-7

G(x)=x2-8x+1

9x2-72x+2

100

23+54

77

200

x3 + 8y3

(x+2y) (x2 - 2xy + 4y2 )

200

f(x)=8x2+9

-

g(x)=-12x-5

8x2+12x+14

200

f(x)=x2+1

g(x)=3x-6

3x3-6x2+3x-6

200

f(x)=x2-4

g(x)=5x+1

25x2+10x-3

200

the square root of 225

15

300

x2 -15 x - 16

(x - 16) (x + 1)

300

f(x)=5x2+19x-14

+

g(x)=-11x2-14x+10

-6x2+5x-4

300

f(x)=x-11

g(x)=x+2

x2-9x-22

300

23*12

276

400

x2 -2xy + y2

(x - y )2

400

f(x)=7x

-

g(x)=x2-6

-x2+7x+6

400
f(x)=x2+6x+1

g(x)=x+7

x3+13x2+43x+7

400

f(x)=4x+7

g(x)=8x2+13

32x2+59

400

(32)2

81

500

x- 12 x + 20

(x - 2) (x - 10) 

500

f(x)=2x2 +1

g(x)=3x-2

f(x)+g(x)

2x2 + 3x - 1

500

f(x)=x-1

g(x)=x+3

x2 + 2x - 3

500

(x+12)(x-12)

x2 -144