7x^2-154=0

Solution for 7x^2-154=0 equation:

Simplifying
7x2 + -154 = 0

Reorder the terms:
-154 + 7x2 = 0

Solving
-154 + 7x2 = 0

Solving for variable 'x'.

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

Add '154' to each side of the equation.
-154 + 154 + 7x2 = 0 + 154

Combine like terms: -154 + 154 = 0
0 + 7x2 = 0 + 154
7x2 = 0 + 154

Combine like terms: 0 + 154 = 154
7x2 = 154

Divide each side by '7'.
x2 = 22

Simplifying
x2 = 22

Take the square root of each side:
x = {-4.69041576, 4.69041576}