cool4life42 cool4life42

03-04-2020
Mathematics

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x^2-8x=3 perfect square

Respuesta :

MrSolution MrSolution

03-04-2020

Answer:

[tex]4\pm\sqrt{19}[/tex]

Step-by-step explanation:

[tex]x^2-8x=3\\x^2-8x-3=0\\x^2-8x+16-19=0\\(x-4)^2-19=0\\(x-4-\sqrt{19})(x-4+\sqrt{19})=0\\x=4\pm\sqrt{19}[/tex]

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