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(2х+3)² -(2х+5)*(2х-5) =34

 Mar 11, 2021
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\((2x+3)^2-(2x+5)(2x-5)=34\)

\((4x^2+12x+9)-(4x^2-25)=34\)

\(12x+34=34\)

\(12x=0\)

\(x=0\)

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 Mar 11, 2021

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