minepro191 minepro191

03-11-2019
Mathematics

contestada

-x^2+2x=7 complete the square

Respuesta :

amyninggg amyninggg

03-11-2019

Answer:

x=R

Step-by-step explanation:

x

[tex]x ^{2} + 2x = - 7 \\ (x + 1) {}^{2} = \sqrt{ - 7 + 1 } \\ x = r \\ \\ [/tex]

there's no real solution since a square root cannot be negative

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