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Name _____________________________
Date ___________________

Quadratic Equations
(Answer ID # 0818413)
Solve each equation by factoring.

1.  
x2 + 4x - 72  =  5x
2.   x2 - 10x - 11 = 0
3.  
-2x2 + 6x + 56  =  0
4.  
-34
5

6
x2 + 
22
1

6
x  =  -38x2 + 190
5.  
4

5
x2 - 
7
1

5
x  =  
-14
2

5
6.  
x2 + 12x  =  -20
7.   x2 + 4x - 21 = 0
8.  
x2 + 8x  =  -12
9.  
-4x2 - 64x  =  192
10.   x2 - 14x + 45 = 0
11.  
x2 + 71  =  -18x - 9
12.  
4
1

2
x2 + 4x + 
3
1

2
  =  4x2
13.  
-5x2 + 15x + 90  =  0
14.  
2x2 + 14x  =  x2 - 45
15.   x2 - 4x - 32 = 0

 

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