As we are given with

we are supposed to simplify this expression. which can be done as below


How to solve:
Step 1 : Note down the given ratio from the questions.
Step 2 : <span>Find the greatest common factor, and divide the numerator and denominator by that value.
Answer: 3:7</span>
The dimensions are factors of the expression
... you multiply them together to get the area
the factors are ... (x - 7) & (x + 2)
Answer:
B
Step-by-step explanation:
did the math for it!!