-49=-13x^2

Solution for -49=-13x^2 equation:

Simplifying
-49 = -13x2

Solving
-49 = -13x2

Solving for variable 'x'.

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

Add '13x2' to each side of the equation.
-49 + 13x2 = -13x2 + 13x2

Combine like terms: -13x2 + 13x2 = 0
-49 + 13x2 = 0

Add '49' to each side of the equation.
-49 + 49 + 13x2 = 0 + 49

Combine like terms: -49 + 49 = 0
0 + 13x2 = 0 + 49
13x2 = 0 + 49

Combine like terms: 0 + 49 = 49
13x2 = 49

Divide each side by '13'.
x2 = 3.769230769

Simplifying
x2 = 3.769230769

Take the square root of each side:
x = {-1.941450687, 1.941450687}