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mash [69]
2 years ago
6

Factor Completely: x2 - 81 A.(x-9)(x+9) B.(x+9)(x+9) C.(x-9)(x-9) D.(9-x)(9+x)

Mathematics
2 answers:
svetoff [14.1K]2 years ago
8 0

Answer:

the answer is A

Step-by-step explanation:

i just did it on usa testprep

Hunter-Best [27]2 years ago
7 0

Answer is A

The binomial can be factored using the difference of squares formula a2-b2 = (a+b) (a-b) where a=x and b=9

(X+9) x(x-9)

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