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18-05-2021
Mathematics

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Find the solutions to the quadratic equation below by completing the square.

x2 - 8x - 7 = 0

Respuesta :

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18-05-2021

Answer:

x=4-[tex]\sqrt{23}[/tex], x=4+[tex]\sqrt{23}[/tex]

Step-by-step explanation:

(x^2-8x+16)-16-7=0

(x-4)^2=23

x=4-[tex]\sqrt{23}[/tex], x=4+[tex]\sqrt{23}[/tex]

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