Question

find the root of 2x 2 +x-4= 0​

Answer 1

Answer:

√-1

Step-by-step explanation:

4+4x=0

-4=4x

-1=x

hope this helps

Answer 2

Answer:

2×2+x-4=0

4+x-4=0

x-4=0-4

x-4=-4

x=-4+4

x=0