kim4769
contestada

what is the most convenient method to solve the quadratic equation ( x + 4 )² = 15
A. extracting square root
B. factoring
C. completing the square
D. quadratic formula​

Respuesta :

AbyssSubZero

Answer:

Factoring

Step-by-step explanation:

(x+4)² = 15

x² + 8x + 16 = 15

x² + 8x + 1 = 0

[tex]x = \frac{ - 8 + \sqrt{64 - 4} }{2} = - 4 + \sqrt{15} \\ \\ x = \frac{ - 8 - \sqrt{64 - 4} }{2} = - 4 - \sqrt{15} [/tex]

I hope this helps you :)

tryingnottofailhs

Answer:

B

Step-by-step explanation:

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