SOLUTION: Help.... I dont understand these two questions: write each expression in lowest terms. Assume that no denominators are zero. 4x2 --- 8x3 and x2-16 ----- x+4 these a

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Help.... I dont understand these two questions: write each expression in lowest terms. Assume that no denominators are zero. 4x2 --- 8x3 and x2-16 ----- x+4 these a      Log On


   

Question 88308: Help.... I dont understand these two questions: write each expression in lowest terms. Assume that no denominators are zero.
4x2
---
8x3

and

x2-16
-----
x+4
these are set up like fractions, can anyone help me with these?
Answer by SandySharma(35) About Me  (Show Source):
You can put this solution on YOUR website!
%284%2A2%29%2F%288%2A3%29
=8%2F24
simplify the fraction, you will get
=1%2F3

%28x%5E2+-16%29%2F%28x%2B4%29
factorize the numerator, you will get
%28%28x%2B4%29%28x-4%29%29%2F%28x%2B4%29
After simplification, you will get
%28x-4%29