Posted by SaRa on Thursday, October 29, 2009 at 8:44pm.
Simplify the rational expression.
numerator 3x negative 21 divided by denominator 49 negative x to the 2 power

algebra 2  clarification required.  MathMate, Thursday, October 29, 2009 at 11:37pm
You may want to rephrase the expression.
Do not use x for multiplication, use *.
( 3*(21) ) / ( 49*(x)² )
Is this what the expression looks like?