farrahtelia farrahtelia

19-07-2019
Mathematics

contestada

COMPLETE
the equation x2 - 9 = 0 has
real solution(s).

Respuesta :

absor201 absor201

19-07-2019

Answer:

Step-by-step explanation:

x^2-9 = 0

x^2 = 0+9

x^2=9

Take square root at both sides:

√x^2 =+/-√9

x =+/- 3

This equation has 2 real solutions, x=3 , x=-3....

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