Question

2x'2+x+4=0 completing square metho​d

Answer 1

Answer:

2x^2+x+4=0

1/2{x^2+x/2+2}=0

1/2{x^2+x/2+2-(1/2) ^2+(1/2) ^2}=0

1/2{(x+1/2) ^2+2-1/4}=0

1/2{(x+1/2) ^2+7/4}=0

(x+1/2)^2=-7/4