How do you subtract #\frac { 2x ^ { 2} + 7x + 3} { 2x ^ { 2} - 5x - 3} - \frac { ( x - 4) ^ { 3} - 1} { x ^ { 2} - 2x - 15}#?
1 Answer
Jul 20, 2017
Explanation:
You must have the same denominator : So you multiply and divide each fraction by the denominator of the other fraction.
You do the multiplicantions, expansions, the factoring and get :
(It gets messy so I won't do it here but if you want me to just comment so.)