4x^2-1400=0

Solution for 4x^2-1400=0 equation:

Simplifying
4x2 + -1400 = 0

Reorder the terms:
-1400 + 4x2 = 0

Solving
-1400 + 4x2 = 0

Solving for variable 'x'.

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

Add '1400' to each side of the equation.
-1400 + 1400 + 4x2 = 0 + 1400

Combine like terms: -1400 + 1400 = 0
0 + 4x2 = 0 + 1400
4x2 = 0 + 1400

Combine like terms: 0 + 1400 = 1400
4x2 = 1400

Divide each side by '4'.
x2 = 350

Simplifying
x2 = 350

Take the square root of each side:
x = {-18.708286934, 18.708286934}