Math 95 Lab # 5

 

Student Name: __________________________            Date:______________

 

Instructor's Name:_______________________

 

 

1.         Subtract   2x² –5x –7 from  7x² –2x +3.

 

 

 

2.         Subtract   8x² +3x –11  from the sum of   4x² –7x –2  and  3x² +2x –9.

 

 

 

3.         Calculate the product of 7 times –4x.

 

 

 

4.         Calculate the product of  7x²  times -4x⁴  .

 

 

 

5.         Multiply  3( 2x² –5x –7).

 

 

 

6.         Multiply  5a²b³ (3a⁵b² - 7a⁵b + 6ab).

 

 

 

7.         Multiply  (x + 4) (x  - 5).

 

 

 

8.         Multiply  (a – 9) (a – 2).

 

 

 

9.         Simplify  9a⁸b⁷ ÷ 3a²b³

 

 

 

10.       Divide  ( 35x³y² - 21x²y³ + 14x³y ) by 7x²y