40x^2-46+12=0

Solution for 40x^2-46+12=0 equation:

Simplifying
40x2 + -46 + 12 = 0

Reorder the terms:
-46 + 12 + 40x2 = 0

Combine like terms: -46 + 12 = -34
-34 + 40x2 = 0

Solving
-34 + 40x2 = 0

Solving for variable 'x'.

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

Add '34' to each side of the equation.
-34 + 34 + 40x2 = 0 + 34

Combine like terms: -34 + 34 = 0
0 + 40x2 = 0 + 34
40x2 = 0 + 34

Combine like terms: 0 + 34 = 34
40x2 = 34

Divide each side by '40'.
x2 = 0.85

Simplifying
x2 = 0.85

Take the square root of each side:
x = {-0.921954446, 0.921954446}