amandita1608 amandita1608

05-06-2019
Mathematics

contestada

Using the quadratic formula to solve x2 + 20 = 2x, what are the values of x?
1+ V21
O-1+ 19
1+2V19)
1+ V79

?

Respuesta :

05-06-2019

[tex]

x^2+20=2x \\

x^2-2x+20=0 \\

x=\frac{2+\vee-\sqrt{-76}}{2}\Longrightarrow\boxed{x\notin\mathbb{R}}

[/tex]

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