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Question Number 214059 by RoseAli last updated on 25/Nov/24

Answered by a.lgnaoui last updated on 25/Nov/24

(x−1)(x−5) =0 { ((x_1 ={((10)/(10)) ,((−10)/(−10))})),((x_2 ={((50)/(10)) ,((−50)/(−10)) } )) :} S={((−50)/(−10)) ; ((−10)/(−10)) ; ((+10)/(+10)) ; ((+50)/(+10))}

(x−1)(x−5)=0{x1={1010,−10−10}x2={5010,−50−10}S={−50−10;−10−10;+10+10;+50+10}

Answered by A5T last updated on 25/Nov/24

(x−3)^2 ≡4(mod 10)⇒x=5,1

(x−3)2≡4(mod10)⇒x=5,1

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