HW #6.2 Simplify Rational Expressions

Algebra 2

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HW #6.2 Simplify Rational Expressions Simplify each and state the excluded values.

8r 2 - 16r 2) 8r 3

8n 1) 6n + 2

3)

n-5 5n - 25

4)

x2 - 5x + 4 x-1

7x 28 x 2

6)

24n 2 9n 3

8)

27a - 45 18a

5) -

Simplify each expression. 7)

7m + 63 m+9

8a 2 + 80a 9) a + 10

10 x 2 - 50 x 10) x-5

11)

3 p 2 - 9 p - 162 p 2 + p - 90

12)

2x x + 4x + 3

13)

n 2 + 8n + 16 3n 3 + 12n 2

14)

49n 2 - 21n 35n 2 + 28n

2

Simplify. 15) (a

1 6 3

)

17) (125r

16) (100000b 5 3 3

)

18) (25n

1 15 5

)

1 4 2

)

Simplify. Your answer should contain only positive exponents. 19) (-u × u -4v -5)

-3

20) - x 2 y -3 × ( x 3 y -4)

2

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