Question 8(Multiple Choice Worth 1 points) (07.04 LC)
What are the factors of x2 - 81?
O (X + 9)(x -9)
O (X - 9)(x - 9)
(x + 3)(x - 27)
O Prime

(X + 9)(x -9)

Step-by-step explanation:

Subtraction of perfect squares:

The factors of a subtraction of perfect squares is given by:

What are the factors of x² - 81?

This can be written as:

So

here is the

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