1-10x^2=-139

Solution for 1-10x^2=-139 equation:

Simplifying
1 + -10x2 = -139

Solving
1 + -10x2 = -139

Solving for variable 'x'.

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

Add '-1' to each side of the equation.
1 + -1 + -10x2 = -139 + -1

Combine like terms: 1 + -1 = 0
0 + -10x2 = -139 + -1
-10x2 = -139 + -1

Combine like terms: -139 + -1 = -140
-10x2 = -140

Divide each side by '-10'.
x2 = 14

Simplifying
x2 = 14

Take the square root of each side:
x = {-3.741657387, 3.741657387}