edwardsolis2153 edwardsolis2153

13-12-2020
Mathematics

contestada

5- 2x to the power of two = -15
what is x

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mali4cubs mali4cubs

13-12-2020

there are two answers
x= the square root of 10.
x= the negative square root of 10

Answer Link

hermionegranger59 hermionegranger59

13-12-2020

5 - 2x^2 = -15

=> - 2x^2 = -15 -5

=> - 2x^2 = -20

=> x^2 = -20/-2

=> x^2 = 10

=> x = √10

=> x = 3.1622..........

Answer Link

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