3x^2+2-7=0

Solution for 3x^2+2-7=0 equation:

Simplifying
3x2 + 2 + -7 = 0

Reorder the terms:
2 + -7 + 3x2 = 0

Combine like terms: 2 + -7 = -5
-5 + 3x2 = 0

Solving
-5 + 3x2 = 0

Solving for variable 'x'.

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

Add '5' to each side of the equation.
-5 + 5 + 3x2 = 0 + 5

Combine like terms: -5 + 5 = 0
0 + 3x2 = 0 + 5
3x2 = 0 + 5

Combine like terms: 0 + 5 = 5
3x2 = 5

Divide each side by '3'.
x2 = 1.666666667

Simplifying
x2 = 1.666666667

Take the square root of each side:
x = {-1.290994449, 1.290994449}