First, let's rewrite and analyze the given expression:
[tex]\[ -\left(\frac{3}{4}x - \right. \][/tex]
It appears that the expression provided is incomplete. Specifically, it appears that an element is missing after the minus sign within the parentheses. Since the expression stops without completion, it’s not possible to execute any mathematical operations to simplify or solve for a value.
Therefore, the expression remains undefined and as such, results in being indeterminate.
To sum up, given the incomplete nature of the expression, the result is:
[tex]\[ \text{Undefined} \][/tex]
or stretching it:
[tex]\[ \text{None} \][/tex]