Question

x2(square) +1=0 find the vaue of x ( root never come in

Answer 1

x²+1=0
x²= 0-1
x²= -1
x = √-1
x = undefined

Answer 2

x^2 +1 =0
x^2 = -1
x = root-1
answer is that - sign never comes inside the root so this answer will not be defined....