Factoring
Completing by Square
GCF
100
-1,-2
(a + 1)(a + 2) = 0
100
-3+2√17 -3-2√17
v2 + 6v - 59 = 0
100
x = 1/3 x = 0
15x2 - 5x = 0
200
-2/7,0
7x2 + 2x = 0
200
2+i√2 2-i√2
k2 − 4k + 1 = −5
200
x = 5 x = -2
3x2 - 9x - 30 = 0
300
3,-7
x2 + 4x - 21 = 0
300
-1+i√35/2 -1-i√35/2
4n2 + 4n + 36 = 0
300
x = -11 x = -8
2x2 + 38x = -176
400
2/3,3/2
6b2 − 13b + 3 = −3
400
5+i√511/4 5-i√511/4
2x2 − 5x + 67 = 0
400
x = -8 x = 8
x2 - 64 = 0
500
1/5,3/7
35k2 − 22k + 7 = 4
500
8+2i√159/7 8-2i√159/7
7k2 − 16k + 100 = 0
500
x = 1/2 x = 3
2x2 - 7x + 3 = 0