madelinegruhn
madelinegruhn
10-06-2020
Mathematics
contestada
Solve x4 − 7x2 − 18 = 0
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jkrantz344
jkrantz344
10-06-2020
Thw answer is X = 3 or -3
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stoodleypetit
stoodleypetit
10-06-2020
Answer:
the answer is
x=±3,±√2
ı
Step-by-step explanation:
(x^2−9)(x2+2)=0
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