7*x^2-11-30=0

Solution for 7*x^2-11-30=0 equation:

Simplifying
7x2 + -11 + -30 = 0

Reorder the terms:
-11 + -30 + 7x2 = 0

Combine like terms: -11 + -30 = -41
-41 + 7x2 = 0

Solving
-41 + 7x2 = 0

Solving for variable 'x'.

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

Add '41' to each side of the equation.
-41 + 41 + 7x2 = 0 + 41

Combine like terms: -41 + 41 = 0
0 + 7x2 = 0 + 41
7x2 = 0 + 41

Combine like terms: 0 + 41 = 41
7x2 = 41

Divide each side by '7'.
x2 = 5.857142857

Simplifying
x2 = 5.857142857

Take the square root of each side:
x = {-2.420153478, 2.420153478}