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5 June, 00:03

What is the factored form of a2 - 121?

(a - 121) (a - 1)

(a - 11) (a + 11)

(a + 11) (a + 11)

(a - 121) (a + 1)

+1
Answers (1)
  1. 5 June, 00:55
    0
    A^2 - 121 = a^2 - 11^2 = (a-11) (a+11)

    so the second choice is right sure
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