Respuesta :

GameKnight31

Answer:

x = − 4 ± √ 19

amna04352

Answer:

-4 + √13 ; -4 - √13

Step-by-step explanation:

x² + 8x + 3 = 0

(x² + 2(x)(4) + 4²) - 4² + 3 = 0

(x + 4)² -16 + 3 = 0

(x + 4)² = 13

x + 4 = √13

x = -4 + √13

x + 4 = -√13

x = -4 - √13

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