Question 132626
{{{-40xz/250xz}}} Start with the given expression



{{{-40cross(x)cross(z)/250cross(x)cross(z)}}} Cancel like terms



{{{-40/250}}} Simplify



{{{-4/25}}} Reduce




So {{{-40xz/250xz}}} simplifies to {{{-4/25}}}



In other words, {{{-40xz/250xz=-4/25}}} where {{{x<>0}}} and {{{z<>0}}}