racielregojo racielregojo

01-05-2020
Mathematics

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x2 + 9x + 2 = 0 has how many real solutions

Respuesta :

tobiasray tobiasray

01-05-2020

Answer:

1. it is x=-2/11

Step-by-step explanation:

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ghanami ghanami

01-05-2020

Answer:

Step-by-step explanation:

hello :

x² + 9x + 2 = 0

∆ =b²- 4ac when : a =1 and b=9 and c=2

∆ =b²- 4ac = (9)²-4(1)(2) =81-8 = 73

∆ >0 two reals solutions......

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