49=i^2

Solution for 49=i^2 equation:

Simplifying
49 = i2

Solving
49 = i2

Solving for variable 'i'.

Move all terms containing i to the left, all other terms to the right.

Add '-1i2' to each side of the equation.
49 + -1i2 = i2 + -1i2

Combine like terms: i2 + -1i2 = 0
49 + -1i2 = 0

Add '-49' to each side of the equation.
49 + -49 + -1i2 = 0 + -49

Combine like terms: 49 + -49 = 0
0 + -1i2 = 0 + -49
-1i2 = 0 + -49

Combine like terms: 0 + -49 = -49
-1i2 = -49

Divide each side by '-1'.
i2 = 49

Simplifying
i2 = 49

Take the square root of each side:
i = {-7, 7}