Question

x 2-4/
x2-8 pls answer this question ​

Answer 1

Answer:

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Step-by-step explanation:

ANSWER

Given x2+4x−8=0

⟹x2+2(x)(2)+22−22−8=0

⟹(x+2)2−4−8=0

⟹(x+2)2=12⟹x+2=±23⟹x=−2±23