1399=16x^2

Solution for 1399=16x^2 equation:

Simplifying
1399 = 16x2

Solving
1399 = 16x2

Solving for variable 'x'.

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

Add '-16x2' to each side of the equation.
1399 + -16x2 = 16x2 + -16x2

Combine like terms: 16x2 + -16x2 = 0
1399 + -16x2 = 0

Add '-1399' to each side of the equation.
1399 + -1399 + -16x2 = 0 + -1399

Combine like terms: 1399 + -1399 = 0
0 + -16x2 = 0 + -1399
-16x2 = 0 + -1399

Combine like terms: 0 + -1399 = -1399
-16x2 = -1399

Divide each side by '-16'.
x2 = 87.4375

Simplifying
x2 = 87.4375

Take the square root of each side:
x = {-9.350802105, 9.350802105}