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Factor this polynomial completely. x2 - 81
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1 vote
Factor this polynomial completely.
x2 - 81

Factor this polynomial completely. x2 - 81-example-1
User Ian Boag
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7.8k points

2 Answers

6 votes
The first answer is right
User Sushil Sharma
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8.0k points
5 votes
a is the correct answer!
81 is a negative, so the 9’s have to be a positive and a negative

hope this helps!
User Shaheryar
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8.3k points
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