Question

Find the product. x^4 divided by x^4+5x^3 times (x+5)

Answer 1

\[
\frac {x^4}{ x^4 + 5 x^3}( x+5)=\frac {x^4}{ x^3(x + 5)}( x+5)=x
\]

Answer 2

Of course if
\[
x \ne -5
\]

Answer 3

and \[ x\ne 0\]