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2. Use grouping to factor the polynomial completely: x^3+x^2-4x-4

3. Factor each polynomial cmpletely:6x^3y+30x^2y^2+36xy^3

4. Factor each Polnomial completely: 12t^3+14t^2+4t

5. Factor each polynomial: If prime stste so: 5max^2+20ma

6. Perform the indicated operation: 16a+8 / 5a^2+5 * 2a^2+a-1 / 4a^2-1

7. Perform the indicated operation: a^2+2a+1 / 3 / a^2-1/ a

8. Find the LCD for the given rational expression and convert each rational expression into an equivalant rational expression with the LCD as th e denominator: 3 / 8a^3b^9 * 5 / 6a2^2c
9. Perform the indicated operation. Reduce each anwer to lowest terms: 2a / a^2-9 + a/ a-3

10 Traveling Time. After leavig Moose Jaw, Hanson drove 200 kilometers at x km/hr and then discovered his speed by 20 km/hr and drove 240 additional kiloometers. Write a rational expression for his total traveling time . Evaluate the expression for x=100

2007-12-26 07:40:57 · 3 answers · asked by Anonymous in Science & Mathematics Mathematics

3 answers

GIVE ur ans we will check and give u corrected ans
i dont like to do ur home work




ok thanks

2007-12-26 21:19:33 · answer #1 · answered by sanjeewa 4 · 0 0

I'm not doing your homework for you (let alone for free). Never mind the fact that you never award "best answers" to the people who take the time to answer your questions. But I'll give you some hints.

1) Factor out a y first. Then remember that a^2 - b^2 = (a+b)(a-b). Use that to factor what's left.

2) Factor out x^2 from the first two terms, and -4 from the last two terms. You'll find that you can factor out a (x+1) from both terms.

3) See, this is what happens when you don't use spaces. The text gets cut off.

4) Try factoring a 2t out first. The rest should be easier.

5) The best you can do is factor out a 5ma.

6-9) You need to use parentheses, because this can be read in several different ways.

2007-12-26 07:56:10 · answer #2 · answered by Anonymous · 0 0

I love people who want their homework done for them!

2007-12-26 07:47:12 · answer #3 · answered by marystoy_2000 5 · 0 0

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