baileybakerpoe baileybakerpoe

20-10-2021
Mathematics

contestada

2. Solve x2 + 2x + 7 = 0 using the Quadratic Formula

Respuesta :

mhanifa mhanifa

20-10-2021

Answer:

-1 ± i√7

Step-by-step explanation:

x² + 2x + 7 = 0
D = 2² - 4*7 = 4 - 56 = -52
x = (-2 ± √-28)/2 = (-2 ± 2√-7)/2 = -1 ± i√7

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