Объяснение:
(2x+8)^2=0
2x+8=0
2x=-8
x=-4
x^2-4x=0
x(x-4)=0
x1=0
x-4=0
x2=4
1. 2х+8=0
х=-4
2.х(х-4)=0
х=0
х=4
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Объяснение:
(2x+8)^2=0
2x+8=0
2x=-8
x=-4
x^2-4x=0
x(x-4)=0
x1=0
x-4=0
x2=4
1. 2х+8=0
х=-4
2.х(х-4)=0
х=0
х=4