Simplify (3a4 – 2a2 + 5a – 10) – (2a4 + 4a2 + 5a – 2).

A. a4 + 4a2 + 10a – 12
B. a4 + 2a2 + 10a – 12
C. a4 – 6a2 – 8
D. 5a4 + 4a3 + 3a2 + 10a – 12

Question

Simplify (3a4 – 2a2 + 5a – 10) – (2a4 + 4a2 + 5a – 2). 
 
     A. a4 + 4a2 + 10a – 12 
B. a4 + 2a2 + 10a – 12 
C. a4 – 6a2 – 8 
D. 5a4 + 4a3 + 3a2 + 10a – 12

anonymous · Answer

that would be equal to 3a4-2a4-2a2+4a2+5a-5a-10+2

anonymous · Answer

I don't know, there's no choice for that :/

anonymous · Answer

a^4-6a^2-8

anonymous · Answer

a4-6a2-8

anonymous · Answer

I know its a long process to do that, just use this site http://www.wolframalpha.com/input/?i=%283a4+%E2%80%93+2a2+%2B+5a+%E2%80%93+10%29+%E2%80%93+%282a4+%2B+4a2+%2B+5a+%E2%80%93+2%29.+

anonymous · Answer

medal please?

anonymous · Answer

Thank you!

anonymous · Answer

i guess direct answers are not allowed!!!!!!

anonymous · Answer

Nope, precisely why I guided her to the site with the answer