ISEE Upper Level Math : How to subtract exponential variables

Example Questions

Example Question #1 : How To Subtract Exponential Variables

Simplify the expression:

The expression cannot be simplified further.

Explanation:

Group, then collect like terms:

Simplify:

Explanation:

Example Question #1 : How To Subtract Exponential Variables

Assume that . Which of the following expressions is equivalent to:

?

Explanation:

If , simplify:

Explanation:

If , simplify:

Explanation:

If , simplify:

Explanation:

If , simplify:

Explanation:

If , simplify:

Explanation:

Example Question #4 : How To Subtract Exponential Variables

Simplify the following expression: