keondre8 keondre8

06-11-2018
Mathematics

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Place the following steps in order to complete the square and solve the quadratic equation, x2-6x+7=0

Respuesta :

10-11-2018

Hello :

1 / complete the square

(x² - 2(3)(x) + 9) - 9 + 7 = 0

(x - 3)² - 2 = 0

2/ solve the quadratic equation, x2-6x+7=0

(x - 3)² - 2 = 0

(x - 3)² = 2

x - 3 = √2 or x - 3 = - √2

x = 3 + √2 or x = 3 - √2

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