Factor this polynomial expression. x2 - 25
O A. (x - 25)(x - 25)
O B. (x+ 5)(x - 5)
C. (x - 5)(x - 5)
O D. (x+25)(x - 25)

(x+5)(x-5)

Step-by-step explanation:

x^2 - 25

This can be written as

x^2 - 5^2

We know that this is the difference of squares

a^2 - b^2 = ( a+b) ( a-b)

x^2 - 5^2 = (x+5)(x-5)

B. (x + 5)(x - 5)

Step-by-step explanation:

Factor the following:

x² - 25

25 = 5²:

x² - 5²

Factor the difference of two squares.

a² - b² = (a + b)(a - b):

(x + 5)(x - 5)

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