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Solving by Factoring
Contribuido por: Tillquist
1.  Solve by factoring:
x2 + 10x + 24 = 0
x = 
1, 24
3, 8
4, 6
-6, -4
2.  Solve by factoring:

x2 + 4x = 21
x = 
-3, 7
 -7,3
3,7
1, -21
3. Solve by factoring:

3x3 - 27x = 0
x = 
3,9
±3
0,9
0, ±3
4.  Solve by factoring:

5x2 = - 30x
x = 
0, 5, 6
±6
6
 -6, 0
5.  Solve by factoring:

3x2 - 12 = - 16x
x = 
-3, 12
4/3, -9
-2/3, 6
 -6, 2/3
6. Solve by factoring:

2x2 + 2x - x - 1 = 0
x = 
2, 1
 -1, 1/2
-1/2, 1
-2, 3
x = 
7.  Solve by factoring:

x2 - 16 = 0
4
±4
8
±8
x = 
8.  Solve by factoring:

5x2 = 3x + 2
 -2/5, 1
5, -2
5/2, -1
-1/2, -5
x = 
9.  Solve by factoring:

x2 + 25 = - 10x
25, 1
-5
±5
-25, -1
x = 
10.  Solve by factoring:

x2 = 8x - 16
8, 2
±4
8
4
x = 
11.  Solve by factoring:

x2 - 23x - 50 = 0
10, 5
±5
 -2, 25
-2, 10
x = 
12.  Solve by factoring:
x2 - 4x - 5x = - 20
1,5
4, 5
2,10
-4, -5
x = 
13.  Solve by factoring:

6x2 + 5x = 6
2, 2/3
-3/2
6, -1
 -3/2, 2/3
x = 
14.  Solve by factoring:

20x3 + 30x2 = 0
10, 0, -3/2
3/2
10
0, -3/2
x = 
15.  Solve by factoring:

x2 - 1 = 0
0, 1
±2
 ± 1
1
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