madelinegruhn madelinegruhn
  • 10-06-2020
  • Mathematics
contestada

Solve x4 − 7x2 − 18 = 0

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jkrantz344
jkrantz344 jkrantz344
  • 10-06-2020
Thw answer is X = 3 or -3
Answer Link
stoodleypetit
stoodleypetit stoodleypetit
  • 10-06-2020

Answer:

the answer is ​

x=±3,±√​2

​

​​ ı

Step-by-step explanation:

(x​^2−9)(x​2+2)=0

Answer Link

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