You got the method and answer correct in this question, congrats!
Answer:
1.4
Step-by-step explanation:
use distance formula
I believe the answer is B. 39, 49, 59
Rewrite it in the form a^2 - b^2, where a = 2x and b = 5
(2x)^2 - 5^2
Use the Difference o Squares: a^2 - b^2 = (a + b)(a - b)
<u>(2x + 5)(2x - 5) </u>