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What is the factored form of a^2 - 121?

What is the factored form of a^2 - 121?
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4 votes
What is the factored form of a^2 - 121?

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User Watchtower
by
8.3k points

1 Answer

2 votes
A^2 - 121
= a^2 - 11^2
=(a+11)(a-11)
Since a^2-b^2 =(a+b)(a-b)
answered
User Fatdragon
by
7.9k points
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