SOLUTION: Did I add these 2 equations correctly below? 3a a+4 + 2a2−16a a2−16 = 5a3−8a2−112a a3+4a2−16a−64 = a(5a−28)(a+4) (a+4)(a+4)(a−4) = 5a2−28a a2−16

Algebra.Com
Question 1168889: Did I add these 2 equations correctly below?
3a
a+4
+
2a2−16a
a2−16
=
5a3−8a2−112a
a3+4a2−16a−64
=
a(5a−28)(a+4)
(a+4)(a+4)(a−4)
=
5a2−28a
a2−16
Thank you

Answer by MathTherapy(10551)   (Show Source): You can put this solution on YOUR website!
Did I add these 2 equations correctly below?
3a
a+4
+
2a2−16a
a2−16
=
5a3−8a2−112a
a3+4a2−16a−64
=
a(5a−28)(a+4)
(a+4)(a+4)(a−4)
=
5a2−28a
a2−16
Thank you
Again, you need to PRESENT these problems better! This one should be written like this: 3a/(a + 4) + (2a^2 - 16a)/(a^2 - 16)
Your final answer is CORRECT, considering that what you have is:

RELATED QUESTIONS

Did I also subtract the below equations correctly? 3a a+4 − (2a2−16a... (answered by josgarithmetic,MathTherapy)
Would you please verify that I have correctly done the below problem? 3a/a+4 - 2a^2 -... (answered by Edwin McCravy,MathLover1)
(4a2-5a+1) divided by (6a2-7a+2) ______________________________ (a2+a-2)... (answered by RAY100)
PLEASE help me. I don't get it at all. I'm desperate :'( I've tried doing it so many time (answered by KMST)
I need your help on factoring these equations, PLEASEEEEEEEEE! 12. x3 - 12x2 + 48x - (answered by mananth)
Factor. a^2 + 16a + 64 (answered by jim_thompson5910,edjones)
Simplify: a+4/16a + 3a+4/4a^2 (answered by mananth)
Please help me, I'm so lost! :'( 1. 125x3 + 64 A (5x - 4)(25x2 + 20x - 16) B(5x + (answered by ramkikk66)
6a(2a2-3a-4)-a(a-2) (answered by unlockmath)