Question

find the value of x when 2x²+4=0​

Answer 1

Answer:

♠️ Answer ♠️

$2 {x}^{2} + 4 = 0 \\ \\ 2 {x}^{2} = - 4 \\ \\ {x}^{2} = \frac{ - 4}{2} \\ \\ {x}^{2} = - 2 \\ \\ x = </em><em>+</em><em>/</em><em>-</em><em>\sqrt{ 2}$

Answer 2

Answer:

2x^2+4=0

2x^2=-4

x^2=-4/2

x=+-√2