Questions tagged [mixing-variables]
34 questions
-1
votes
1 answer
What is the value of $a-b$ when $a$ and $b$ are constants
The expression $x^2-k^2$ where $k$ is a constant is equivalent to the expression $(x+a)(x-b)$ where $a$ and $b$ are constants. What is the value of $a-b$?
Nicole
- 1