Problem 141 of 7
Use polynomial operations in context: perimeter of a rectangle with length 3x+1 and width x-4.
Using a hint is okay. It just tells the trainer to give you a little more review.
Hidden until you reveal it.
multiply or combine expressions and interpret terms.
Hidden until you reveal it.
Set up the operation from the context and interpret the result's quantity.
Enter your answer
Your answer is equivalent to the expected form.
Walkthrough
Full solution stays hidden until you ask for it.
1. Identify whether context requires sum, product, or difference.
2. Write the polynomial expression.
3. Simplify and attach contextual meaning or units.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Operation that does not match area, volume, revenue, or total context.