Question

x^2-3*x-4/x^2+4*x+3*x^2+3*x-10/x^2+x-20

Answer 1

\[x^2-3x-4/x^2+4x+3x^2+3x-10/x^2+x-20\]
Group the like-terms. Turn /x^2 into x^-2
\[x^2 + 3x^2 − 3x + 3x + 4x + x −4x^{-2} −10x^{-2} - 20\]
Simplify.
\[4x^2 + 5x -14x^{-2} - 20\]