Question

find the value of x when 2x²+4=0​

Answer 1

Answer:

the value of x is

$\sqrt{2} i$

is the required answer....

Answer 2

Answer: x =√-2

explanation: 2x²+4=0

step 1; collect like terms

2x²= 0-4

2x²= -4

step 2; divide both sides by 2

x²= -2

step 3; square root both sides

√x²= √-2

x=√-2