SOLUTION: {{{ (x-3) /( x+4) }}} - {{{ (x+6)/ (x-4) }}} I got (-17x-12) over (x^2-16) but it was wrong and I'm unsure of how to go about it.

Algebra ->  Rational-functions -> SOLUTION: {{{ (x-3) /( x+4) }}} - {{{ (x+6)/ (x-4) }}} I got (-17x-12) over (x^2-16) but it was wrong and I'm unsure of how to go about it.      Log On


   

Question 1066885: +%28x-3%29+%2F%28+x%2B4%29+ - +%28x%2B6%29%2F+%28x-4%29+

I got (-17x-12) over (x^2-16) but it was wrong and I'm unsure of how to go about it.
Answer by josgarithmetic(39800) About Me  (Show Source):
You can put this solution on YOUR website!
You start by bringing both rational expressions to the same denominator.

+%28%28x-3%29+%2F%28+x%2B4%29%29%28%28x-4%29%2F%28x-4%29%29+ - +%28%28x%2B6%29%2F+%28x-4%29%29%28%28x%2B4%29%2F%28x%2B4%29%29+


Either of these should be good: