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What is the factored form of a2 – 121? (a – 121)(a – 1) (a – 11)(a + 11) (a + 11)(a + 11) (a – 121)(a + 1)

What is the factored form of a2 – 121? (a – 121)(a – 1) (a – 11)(a + 11) (a + 11)(a + 11) (a – 121)(a + 1)
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4 votes
What is the factored form of a2 – 121?

(a – 121)(a – 1)

(a – 11)(a + 11)

(a + 11)(a + 11)

(a – 121)(a + 1)

User Ron Inbar
by
7.3k points

2 Answers

5 votes

Answer:

B on edge 23

Explanation:

because

User Skarab
by
7.9k points
3 votes
a^2 -121 = a^2 -11^2 = (a-11)(a+11)

so the second choice is right sure
User TheLovelySausage
by
7.9k points
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