Respuesta :

Answer:

Step-by-step explanation:

[tex]x^{2} +2x-4=2x[/tex]

subtract 2x from both sides

[tex]x^{2} -4=0[/tex]

add 4 to each side

[tex]x^{2} =4[/tex]

[tex]\sqrt{4}=2[/tex]

x=2

x=-2

RELAXING NOICE
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