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kuznetsovak4ty4
@kuznetsovak4ty4
August 2022
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РЕШИТЕ ПОЖАЛУЙСТА ВЗАИМНО
(х-7)*(-5х-9)=0
5х во 2 степени+25=0
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mmmmmm29
(x-7)*(-5x-9)=0
-5x^2-9x+35x+63=0
-5x^2+26x+63=0
D=676-4*(-5)*63=1936
x1=-26+44/2=16
x2=-26-44/2=-36
5x^2+25=0
5x^2=-25
x^2=-25/5
x=корень из -5
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Answers & Comments
-5x^2-9x+35x+63=0
-5x^2+26x+63=0
D=676-4*(-5)*63=1936
x1=-26+44/2=16
x2=-26-44/2=-36
5x^2+25=0
5x^2=-25
x^2=-25/5
x=корень из -5