Question

What are the roots of 7x2 + 392 = 0?

Answer 1

I hope this helps you



7 (x^2+56)=0


x^2= -56


x^2=i^2.56



x= i.2 square root of 14


x= -i.2 square root of 14

Answer 2

x=2i square root of 14, x=-2i square root of 14.
Hope this helps!