To complete the expression
\[ a\sqrt{b} - c\sqrt{d} = e\sqrt{f}, \]
we'll need to manipulate both sides of the equation to clarify how the radicals can be subtracted.
Assuming we want to isolate \( e\sqrt{f} \) completely, we can rewrite the equation as:
\[ a\sqrt{b} - e\sqrt{f} = c\sqrt{d}. \]
However, for more specific handling of the radicals, we must make specific assumptions about the relationships between the terms.
-
If \( \sqrt{b} \) and \( \sqrt{d} \) can somehow relate to each other (say they are equal or can be factored), then we might combine them.
-
One potential way to express the difference might be to factor out a common radical if possible. However, without specific values or further context, we cannot provide an explicit simplification.
Thus, the expression as given does not lend itself to straightforward subtraction without more context regarding the values of \( a, b, c, d, e, \) and \( f \).
If you provide numerical values for each variable or additional constraints, we could help further reduce or evaluate the expression.