SOLUTION: Simplify the rational expression. if the expression is already in simplest form , this as your answer. 3x-9/7x-21 A) 3/7 B)-3 C)-3/7 D.) 3

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Simplify the rational expression. if the expression is already in simplest form , this as your answer. 3x-9/7x-21 A) 3/7 B)-3 C)-3/7 D.) 3      Log On


   

Question 676614: Simplify the rational expression. if the expression is already in simplest form , this as your answer.

3x-9/7x-21
A) 3/7 B)-3 C)-3/7 D.) 3
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

%283x-9%29%2F%287x-21%29

3%28x-3%29%2F7%28x-3%29

3cross%28%28x-3%29%29%2F7cross%28%28x-3%29%29

3%2F7

so, answer is A) 3%2F7