7x^2-22=0

Solution for 7x^2-22=0 equation:

Simplifying
7x2 + -22 = 0

Reorder the terms:
-22 + 7x2 = 0

Solving
-22 + 7x2 = 0

Solving for variable 'x'.

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

Add '22' to each side of the equation.
-22 + 22 + 7x2 = 0 + 22

Combine like terms: -22 + 22 = 0
0 + 7x2 = 0 + 22
7x2 = 0 + 22

Combine like terms: 0 + 22 = 22
7x2 = 22

Divide each side by '7'.
x2 = 3.142857143

Simplifying
x2 = 3.142857143

Take the square root of each side:
x = {-1.772810521, 1.772810521}