corylow87 corylow87

20-03-2021
Mathematics

contestada

Solve x2 + 8x + 8 = 0 by completing the square. Which equation is used in the process?

Respuesta :

povow90950 povow90950

20-03-2021

x² + 8x + 8 = 0

x² + 8x + 8 + 8 = 0 + 8

x² + 8x + 16 = 8

x² + 4x + 4x + 16 = 8

x(x) + x(4) + 4(x) + 4(4) = 8

x(x + 4) + 4(x + 4) = 8

(x + 4)(x + 4) = 8

(x + 4)² = 8

Answer Link

oluwapelumi46 oluwapelumi46

20-03-2021

Step-by-step explanation:

the answer is -1.18 or - 13.65

Answer Link

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