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Answers to Internet Assignments #13A - #16

Assignment #13A

1. 15x - 3

2. 2y - 6xy²

3. 3x⁴y - 2y² - 1

4. -2a³b⁴ + 3b³ - 5ab²

5. 3a²b - 9ab⁴ + 1

6. -2x + 1 Assignment #14

Assignment #15

1. (x + 2) (x + 1)

2. (x + 2) (x - 10)

3. (x - 3y) (x + 5y)

4. (x - 8) ( x + 3)

5. (x - 8) (x - 4)

6. (x + 12y) (x + 3y)

7. (x - 4) (x + 6)

8. (x - 4) (x - 9) Assignment 16

1.(x - y) (x + y)

2. (5x -1 ) (5x + 1)

3. (2x - 9y) (2x + 9y)

4. (4a + 7) (4a - 7)

5. (6 - x) (6 + x)

6. (x + 8) (x - 8)

7. (3c - 2d) (3c + 2d)

8. (x - 10y) (x + 10y)

9. (5a - 2b) (5a + 2b)

10. ( 7x - 5y) (7x + 5y)

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by Ellen Freedman, All Rights Reserved.

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