Answer:
x + 5
------------
2x + 3
Explanation:
x² - 25
-----------------
2x² - 7x - 15
(x + 5)(x - 5)
-----------------
2x² - 7x - 15
------------------------
2 × -15 = -30
-10 + 3 = 7
(2x² - 10x)(3x - 15)
2x( x - 5) +3 (x - 5)
-------------------------
(x + 5)(x - 5)
-----------------
(2x + 3)(x - 5)
Cancel out (x - 5)
x + 5
------------
2x + 3
I hope this helps!