Question

3x²+9=0
​how i have to solve this problem

Answer 1

Step-by-step explanation:

$3 {x}^{2} + 9 = 0$

$3 {x}^{2} = - 9$

${x}^{2} = \frac{ - 9}{ 3}$

${x}^{2} = - 3$

$x = - + \sqrt{3}$

Answer 2

Answer:

√-3

Step-by-step explanation:

3x²+9=0

or, 3(x²+3)=0

or, x²+3=0

or, x²= -3

or, x=+√3(Ans)