21-04-2020
Mathematics

contestada

What is the value of x, when x^2 + 5 = 21?
A
5.5 or -5.5
B
4 or -4
C
2 or -2
D
8 or -8

Respuesta :

marlainalehmann marlainalehmann

21-04-2020

The answer is B. 4 or -4

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