Solve quadratic fractionI would like to simplify the fraction x 2 − 2 x x...
Solve quadratic fraction
I would like to simplify the fraction
I know from Mathematica that it should equal but how do I get there?
Answer & Explanation
The numerator factors as
By the quadratic formula, the denominator has roots and . So the denominator factors as
, so your result is incorrect, as the next counterexample shows: