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kondor19780726 [428]
3 years ago
15

Factor this polynomial expression.

Mathematics
2 answers:
Lynna [10]3 years ago
5 0

Answer:

(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)

frutty [35]3 years ago
4 0

Answer:

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

Step-by-step explanation:

Factor the following:

\longrightarrow x² - 25

25 = 5²:

\longrightarrow x² - 5²

Factor the difference of two squares.

a² - b² = (a + b)(a - b):

\longrightarrow (x + 5)(x - 5)

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