-0.0723x^2+0.9416x^2-2.9865=0

Solution for -0.0723x^2+0.9416x^2-2.9865=0 equation:

Simplifying
-0.0723x2 + 0.9416x2 + -2.9865 = 0

Reorder the terms:
-2.9865 + -0.0723x2 + 0.9416x2 = 0

Combine like terms: -0.0723x2 + 0.9416x2 = 0.8693x2
-2.9865 + 0.8693x2 = 0

Solving
-2.9865 + 0.8693x2 = 0

Solving for variable 'x'.

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

Add '2.9865' to each side of the equation.
-2.9865 + 2.9865 + 0.8693x2 = 0 + 2.9865

Combine like terms: -2.9865 + 2.9865 = 0.0000
0.0000 + 0.8693x2 = 0 + 2.9865
0.8693x2 = 0 + 2.9865

Combine like terms: 0 + 2.9865 = 2.9865
0.8693x2 = 2.9865

Divide each side by '0.8693'.
x2 = 3.435522834

Simplifying
x2 = 3.435522834

Take the square root of each side:
x = {-1.853516343, 1.853516343}