operations on functions

factor

100

x² - 25y²

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

200

x³ + 8y³

(x+2y) (x² - 2xy + 4y² )

300

x² -15 x - 16

(x - 16) (x + 1)

400

x² -2xy + y²

(x - y )²

500

x² - 12 x + 20

(x - 2) (x - 10) 

f(x)+g(x) or f(x)-g(x)

100

f(x)=4x+3

+

g(x)=-7x-14

-3x-11

200

f(x)=8x²+9

-

g(x)=-12x-5

8x²+12x+14

300

f(x)=5x²+19x-14

+

g(x)=-11x²-14x+10

-6x²+5x-4

400

f(x)=7x

-

g(x)=x²-6

-x²+7x+6

500

f(x)=2x² +1

g(x)=3x-2

f(x)+g(x)

2x² + 3x - 1

f(x)*g(x)

100

f(x)=5x-1

g(x)=2x

10x²-2x

200

f(x)=x²+1

g(x)=3x-6

3x³-6x²+3x-6

300

f(x)=x-11

g(x)=x+2

x²-9x-22

400

f(x)=x²+6x+1

g(x)=x+7

x³+13x²+43x+7

500

f(x)=x-1

g(x)=x+3

x² + 2x - 3

(f o g)(x)

100

f(x)=9x-7

G(x)=x²-8x+1

9x²-72x+2

200

f(x)=x²-4

g(x)=5x+1

25x²+10x-3

400

f(x)=4x+7

g(x)=8x²+13

32x²+59

Could be anything

100

23+54

77

200

the square root of 225

15

300

23*12

276

400

(3²)²

81

500

(x+12)(x-12)

x² -144