Simplifying Rational Expressions
Simplify the following rational expressions.
Original ExpressionSimplified Expression
963x\displaystyle \frac{{{9}}}{{{6}-{3}{x}}}  
12x4x22x\displaystyle \frac{{{12}{x}}}{{{4}{x}^{{2}}-{2}{x}}}  
3x+918x+54\displaystyle \frac{{{3}{x}+{9}}}{{{18}{x}+{54}}}  
12x+362x+6\displaystyle \frac{{{12}{x}+{36}}}{{{2}{x}+{6}}}