Saturday

July 26, 2014

July 26, 2014

Posted by **jan** on Wednesday, June 22, 2011 at 1:56am.

((5a^2+12a+4)/(a^4-16)) / ((25a^2+20a+4)/(a^2-2a))

- pre calc -
**drwls**, Wednesday, June 22, 2011 at 7:00amFactor each of the four terms in parentheses and see which factors you can cancel out. This is not hard. Surely you can factor

a^4 - 16 and a^2 -2a

5a^2 + 12a +4 = (5a +2)(a + 2)

25a^2 +20a +4 = (5a +2)(5a + 2)

Now put it all together

**Related Questions**

Pre-Calculus - Perform the indicated operation, then simplify. 5a2 + 12a + 4/a4...

Pre Calculus - Factor Completely a. 3x^8-3x^6 b. 20a^2b^2x^2-45a^2b^2y^2

Math - Reiny can you show me how to check this problem. 5a^8-20a^7-25a^6 =5a^6(a...

Pre-Calc - Please help me solve these two equations!! Divide and express as a ...

algebra last post - I appreciate the help. i take the class online and we get 70...

mathematics - 12a^2b over 4 times 4a+8b over 20a^2b^3

Pre-Calc - I'm stuck on a pre-calc problem. I need to find y as a function of x...

algerbra - how do u factor 25a^2 - 30a + 9

Pre-Calc - Can you show me how to find the rectangular equation of r=2costheta...

math - 10a^2 + 25a - 15 factor out the GCF.