Name_________________________________ Date _______________________

Activity #6:  Subtracting Polynomials

 

 

1.  

(20x + 7) - (20x + 8)

 

2.  

(5x + 5) - (9x + 6)

 

3.  

(18x2 + 6x + 4) - (10x2 + 19x + 18)

 

4.  

(13x2 + 19x + 6) - (17x2 + 15x + 11)

 

5.  

(-14x2 + 16x + 14) - (-17x2 - 5x - 8)

 

6.  

(12x2 + 6x + 5) - (15x2 + 13x + 7)

- (-19x2 - 16x - 13) - (-6x2 - 20x + 19)

 

7.  

(20x5 + 8x4 + 8x3) - (4x6 + 20x3 + 11)

 

8.  

(-16x5 + 9x + 19)

 - (-13x6 - 14x4 + 6x3)

 

9.  

How much is -4x2 + 13x - 13 minus 8x2 - 5x - 6?

 

10.  

From 20x2 + 6x + 13 subtract 15x2 + 18x - 8

 

11.  

(11x2 + 13x + 9) - (-6x2 + 11x + 7)

 

 

12.  

Subtract -13x4 - 15x + 10 from 19x7 - 5x - 16

 

 

13.  

(-17x2 + 13x - 4) - (20x2 + 8x + 12) - (17x2 + 12x + 13)

 

 

14.  

Subtract 12x5 - 8x2 from -4x7 - 11x5 + 10x4 - 18x3 + 15x2

 

 

15.  

From 8x2 - 15x - 9 subtract -17x2 - 12x - 7

 

 

16.  

(-17x5 + 15x4 - 4x) - (-19x4 + 14x3 + 18x)

 

 

17.  

From -19x2 + 4x + 17 subtract 18x2 + 9x + 17

 

 

18.  

(-17x6 - 17x2 + 19x - 12) - (-8x6 + 4x3)

 

 

19.  

Subtract 17x7 - 5x5 + 7x4 from -11x5 - 7x2 - 8x

 

 

20.  

How much  is -11x2 + 11x - 7 minus 15x2 + 20x + 19?