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3 years ago

What are the factors of x^2-81

Mathematics

2 answers:

emmasim [6.3K]3 years ago

6 0

Answer:

A.) (x+9) (x-9)

Step-by-step explanation:

x² - 81

x² - 9²

(x - 9)(x + 9)

zalisa [80]3 years ago

4 0

Answer:

A. x-9 and x+9 because these are perfect squares. 9 times -9 is -81. x times x is x^2. 9 + -9 is 0

Step-by-step explanation:

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Step-by-step explanation:

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