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Answer :
x = 2 ± 2√3
Step-by-step explanation :
It is of the form ax² + bx + c = 0
a = 1 , b = -4 , c = -8
⇒ x =
Substituting the values of a, b and c
Therefore, x = 2 + 2√3 , 2 - 2√3
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