Solving Equations

What is Easy?

100

x²  + 6x + 9 = 0

x=-3 ; x=-3

200

a² + 9a + 20 = 0 

a=-5 ; a=-4

300

3x² + 33x + 30 = 0

x=-1 ; x=-10

400

(x-2)(x² +4x + 3) = 0

x=2 ; x=-3 ; x=-1

500

9x² - 5 = 12x - 5

x=0 ; x=4/3

What is Medium?

100

x² -9x + 18

x=6 ; x=3

200

y² + 9y + 8 = 0

y=1 ; y=8

300

x² + 2x + 25 = 11x + 5

x=5 ; x=4

400

b² + 8b + 15 = 0 

b=-5 ; b=-3

500

2x² - 5x - 12

x=8 ; x=-3

What is Hard?

100

x² + 3x + 4 = 14

x=-5 ; x=2

200

20x + 5 = 5x + 65

x=4

300

3x² + 5x + 2

x=-3 ; x=-2

400

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

x=9

500

11x - 2 =5 - 2x - 8

x=-1/13

What is Extreme?

100

6x + 15= 3x + 8 

x=-7/3

200

4(3t-2)=88

t=8

300

20x +5 = 5x + 65

x=4

400

9n + 14 = 6n + 29

n=5

500

(3x-4)(2x+3)=0

x=4/3 ; x=-3/2

Random is what it is

100

8(f-2)=0

f=2

200

x² + 13x = -42

x=-7 ; x=-6

300

2(5c+2)-2c=3(2c+3)+7

c=6

400

x² - 1521

x=-39 ; x= 39

500

x² - 2x - 24

x=6 ; x=-4