FACTORING TRINOMIALS LEADING COEFFICIENT NOT 1 WORKSHEET

Factoring trinomials when a is not 1.

Problem 1:    

7m² + 6m - 1

Solution

Problem 2 :

3k² - 10k + 7

Solution

Problem 3 :

5x² - 36x - 81

Solution

Problem 4 :

2x² - 9x - 81

Solution

Problem 5 :

3n² - 16n + 20

Solution

Problem 6 :

2r² + 7r - 30

Solution

Problem 7 :

5k² + 8k + 80

Solution

Problem 8 : 

5x² - 14x + 8

Solution

Problem 9 :

7p² - 20p + 12

Solution

Problem 10 :

3v² + 14v - 49

Solution

Problem 11 :

7x² - 26x - 45

Solution

Problem 12 :

5p² - 52p + 20

Solution

Answer Key

1)  (7m - 1) (m + 1)

2)  (3k - 7) (k - 1)

3)  (5x + 9) (x - 9)

4)  (2x + 9) (x - 9)

5)  (3n - 10) (n - 2)

6)  (2r - 5) (r + 6)

7)  5k² + 8k + 80 is not factorable.

8)  (5x - 4) (x - 2)

9)  (7p - 6) (p - 2)

10)  (3v - 7) (v + 7)

11)  7x + 9) (x - 5)

12)   (5p - 2) (p - 10)

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