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spencerb59
spencerb59 spencerb59
  • 06-01-2017
  • Mathematics
Answered

Solve x²-121=0

Answer choices

0

-11

11

11,-11

Verified Answer :

Anonymous Anonymous
  • 06-01-2017

answer is 11,-11

x²-121=0
x²- 11²=0
(x +11)(x-11) = 0
x + 11 = 0 then x = -11
x - 11 = 0 then x = 11

Answer Link
21hendlill
21hendlill 21hendlill
  • 07-04-2021

Answer:

D) 11,-11

Step-by-step explanation:

Answer Link

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