0=0.7x^2-6

Solution for 0=0.7x^2-6 equation:

Simplifying
0 = 0.7x2 + -6

Reorder the terms:
0 = -6 + 0.7x2

Solving
0 = -6 + 0.7x2

Solving for variable 'x'.

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

Add '-0.7x2' to each side of the equation.
0 + -0.7x2 = -6 + 0.7x2 + -0.7x2
Remove the zero:
-0.7x2 = -6 + 0.7x2 + -0.7x2

Combine like terms: 0.7x2 + -0.7x2 = 0.0
-0.7x2 = -6 + 0.0
-0.7x2 = -6

Divide each side by '-0.7'.
x2 = 8.571428571

Simplifying
x2 = 8.571428571

Take the square root of each side:
x = {-2.927700219, 2.927700219}