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Solve x4 − 7x2 − 18 = 0

2 Answers

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Thw answer is X = 3 or -3
User Blinkydamo
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2 votes

Answer:

the answer is ​

x=±3,±√​2

​​ ı

Explanation:

(x​^2−9)(x​2+2)=0

User Giannis Grivas
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