1.4*x^2-360=x^2

Solution for 1.4*x^2-360=x^2 equation:

Simplifying
1.4x2 + -360 = x2

Reorder the terms:
-360 + 1.4x2 = x2

Solving
-360 + 1.4x2 = x2

Solving for variable 'x'.

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

Add '-1x2' to each side of the equation.
-360 + 1.4x2 + -1x2 = x2 + -1x2

Combine like terms: 1.4x2 + -1x2 = 0.4x2
-360 + 0.4x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
-360 + 0.4x2 = 0

Add '360' to each side of the equation.
-360 + 360 + 0.4x2 = 0 + 360

Combine like terms: -360 + 360 = 0
0 + 0.4x2 = 0 + 360
0.4x2 = 0 + 360

Combine like terms: 0 + 360 = 360
0.4x2 = 360

Divide each side by '0.4'.
x2 = 900

Simplifying
x2 = 900

Take the square root of each side:
x = {-30, 30}