kalkal10009 kalkal10009

21-01-2020
Mathematics

contestada

x^2+8x=38

(in case youre confused on what it says like I am sometimes ( x squared + 8x equals 38)

Respuesta :

21-01-2020

Answer:

ans may be 3.348469228

Answer Link

MathPhys MathPhys

21-01-2020

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

Answer Link

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