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x-2-4x-5-0-

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Question Number 176060 by doline last updated on 11/Sep/22
x^2 −4x+5=0
x2−4x+5=0
Answered by Ar Brandon last updated on 11/Sep/22
x^2 −4x+5=0 ⇒(x−2)^2 +1=0 ⇒(x−2)^2 =−1 ⇒x−2=±i ⇒x=2±i
x2−4x+5=0⇒(x−2)2+1=0⇒(x−2)2=−1⇒x−2=±i⇒x=2±i
Answered by Devendra291999 last updated on 11/Sep/22
Solution x^2 −4x+5=0 (x^2 −2×2x+4)+1=0 (x−2)^2 +1=0 (x−2)^2 =−1 {−1=i^2 } (x−2)^2 =i^2 x−2=±i x=2±iAnswer
Solutionx2−4x+5=0(x2−2×2x+4)+1=0(x−2)2+1=0(x−2)2=−1{−1=i2}(x−2)2=i2x−2=±ix=2±iAnswer

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