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13-07-2021
Mathematics

contestada

what are the solutions to x^2 + 4 = -6x?

Respuesta :

13-07-2021

Answer:

Step-by-step explanation:

x² + 4 = -6x

x² + 6x + 4 = 0

quadratic formula

x = [-6±√(6²-4·1·4)]/[2·1] = [-6±√20]/2 = [-6±2√5]/2 = -3±√5

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