36=I^2*9

Solution for 36=I^2*9 equation:

Simplifying
36 = I2 * 9

Reorder the terms for easier multiplication:
36 = 9I2

Solving
36 = 9I2

Solving for variable 'I'.

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

Add '-9I2' to each side of the equation.
36 + -9I2 = 9I2 + -9I2

Combine like terms: 9I2 + -9I2 = 0
36 + -9I2 = 0

Add '-36' to each side of the equation.
36 + -36 + -9I2 = 0 + -36

Combine like terms: 36 + -36 = 0
0 + -9I2 = 0 + -36
-9I2 = 0 + -36

Combine like terms: 0 + -36 = -36
-9I2 = -36

Divide each side by '-9'.
I2 = 4

Simplifying
I2 = 4

Take the square root of each side:
I = {-2, 2}