Simplify the rational expression. State any restrictions on the variable. n^4 - 10n^2 + 24 / n^4 - 9n^2 + 18

Question

anonymous · Answer

can someone tell me steps of how to do this???

saifoo.khan · Answer

Factor it out!

arhin · Answer

first let n^2 be lets say a

anonymous · Answer

okay that really helped i need steps im new at this so im lost

anonymous · Answer

ok we make n a

arhin · Answer

(a^2-10a+24)/(a^2-9a+18)  now u can do the rest.....or

anonymous · Answer

do i subtract them????

saifoo.khan · Answer

Do you know how to factor by grouping?

anonymous · Answer

no like i said i just started this class

saifoo.khan · Answer

arhin · Answer

factorize the numerator and denominator
(a-6)(a-4)/(a-3)(a-6)
(a-4)/(a-3)
but a=n^2
(n^2-4)/(n^2-3)

anonymous · Answer

i dont know what i did but i screwed up thats all i know

arhin · Answer

dont u understand it?

anonymous · Answer

@arhin no

mathmate · Answer

@arhin, she also needs to know the restriction that n^2 $ \ne $ 6, and why.