Respuesta :

Just go to math papa. It solves all kinds of problems like these. Anyways the answer is a=4. Please give me a thanks.
jeff0206nquint
(a-4) (a+3) (a+3) (a+1)
_______ ________
a(a-1) 2(a+4)
Now eliminate anything that are pairs.
You should be left with
(a+1)
______ _____
a(a-1) 2
Multiply everything horizontally

a+1 a+1
______ = ____ <-----ANSWER
2(a^2-a) 2a^2-2a