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Which of the following is the factored form of 9y2-121​
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5 votes
Which of the following is the factored form of 9y2-121​

Which of the following is the factored form of 9y2-121​-example-1
User Lisaann
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4 votes
It's the first one.

If you work backwords, I'd say it's easier. 3y swuared is 9y2, and 11 squared is 121. Then just keep the sign the same
User Beliaev Maksim
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