# Simplify, multiplying and dividing rational expressions

May 3rd, 2015
Anonymous
Category:
Mathematics
Price: \$10 USD

Question description

1. State any restrictions on the variables

4 – x

x² - 16

2. Simplify

u² - 2u

u² - 4

3. Multiply.  Assume that no denominator equals zero.

7t³ times 3st

s              35

4. Multiply.  Assume that no denominator equals zero.

x² - 16  times x + 3

x² + 3x           x² - 4x

5. Divide.  Assume that no denominator equals zero.

6d²  divide by c²d³

4c                   18

6. Divide and simplify completely.  Assume that no denominator equals zero.

d² - 1  divide by d-1

d² - d                  d

7. Divide and simplify completely

8x – 8  times  x + 1  divide by  24

x² - 1              6x² - 12x            x² - 4

(Top Tutor) Lakshmi Subramanian
School: Carnegie Mellon University

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