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mel-nik [20]
2 years ago
11

What is the most convenient method to solve the quadratic equation ( x + 4 )² = 15

Mathematics
2 answers:
Mademuasel [1]2 years ago
8 0

Answer:

B

Step-by-step explanation:

IgorC [24]2 years ago
7 0

Answer:

Factoring

Step-by-step explanation:

(x+4)² = 15

x² + 8x + 16 = 15

x² + 8x + 1 = 0

x =  \frac{ - 8 +  \sqrt{64 - 4} }{2}  =  - 4 +  \sqrt{15}  \\  \\ x =  \frac{ - 8 -  \sqrt{64 - 4} }{2}  =  - 4 -  \sqrt{15}

I hope this helps you :)

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