Answer:
(5x+3) (5x-3)
Step-by-step explanation:
Factor completely [tex]25x^2 - 9[/tex]
To factor this we write the numbers in square form
25 = 5*5= 5^2
9 = 3*3= 3^2
[tex]5^2x^2 - 3^2[/tex]
[tex](5x)^2 - 3^2[/tex]
We apply difference of squares formula
a^2 - b^2 = (a+b)(a-b)
[tex](5x)^2 - 3^2[/tex]
a= 5 and b = 3
So it becomes, replace the numbers in the formula
(5x+3) (5x-3)
