3 years ago

X^2+8x=38

Mathematics

2 answers:

Alecsey [184]3 years ago

7 0

Answer:

ans may be 3.348469228

marta [7]3 years ago

7 0

Answer:

x = -4 ± 3√6

Step-by-step explanation:

x² + 8x = 38

Complete the square by adding (8/2)² = 16 to both sides.

x² + 8x + 16 = 38 + 16

(x + 4)² = 54

x + 4 = ±√54

x = -4 ± 3√6

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