Answer:
3
Step-by-step explanation:
A difference of squares factors in general as
a² - b² = (a - b)(a + b)
Given the factor (- 5x + 3) of a difference of squares product.
Then the other factor is (- 5x + 3)
Answer:
C= -5
D = 7
Step-by-step explanation:

That answer is 10.7 as the perimeter