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Solve x²-121=0
Answer choices
0
-11
11
11,-11

User Kurt Kline
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2 Answers

4 votes

Answer:

D) 11,-11

Explanation:

User Hyejin
by
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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

User Paul Weiland
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