Respuesta :

DarkBlueSea

Answer:

[tex]\sqrt{10}[/tex]

Step-by-step explanation:

5 - 2x^2 = -15

2x^2 = 20

x^2=10

x= [tex]\sqrt{10}[/tex]
-15-5= -20
Thus, -2x^2 = -20
Then -20/-2= 10
So, x^2 = 10
When you square root both of them, the answer is root 10

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