40=40X^2

Solution for 40=40X^2 equation:

Simplifying
40 = 40X2

Solving
40 = 40X2

Solving for variable 'X'.

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

Add '-40X2' to each side of the equation.
40 + -40X2 = 40X2 + -40X2

Combine like terms: 40X2 + -40X2 = 0
40 + -40X2 = 0

Add '-40' to each side of the equation.
40 + -40 + -40X2 = 0 + -40

Combine like terms: 40 + -40 = 0
0 + -40X2 = 0 + -40
-40X2 = 0 + -40

Combine like terms: 0 + -40 = -40
-40X2 = -40

Divide each side by '-40'.
X2 = 1

Simplifying
X2 = 1

Take the square root of each side:
X = {-1, 1}