42=.048x^2

Solution for 42=.048x^2 equation:

Simplifying
42 = 0.048x2

Solving
42 = 0.048x2

Solving for variable 'x'.

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

Add '-0.048x2' to each side of the equation.
42 + -0.048x2 = 0.048x2 + -0.048x2

Combine like terms: 0.048x2 + -0.048x2 = 0.000
42 + -0.048x2 = 0.000

Add '-42' to each side of the equation.
42 + -42 + -0.048x2 = 0.000 + -42

Combine like terms: 42 + -42 = 0
0 + -0.048x2 = 0.000 + -42
-0.048x2 = 0.000 + -42

Combine like terms: 0.000 + -42 = -42
-0.048x2 = -42

Divide each side by '-0.048'.
x2 = 875

Simplifying
x2 = 875

Take the square root of each side:
x = {-29.580398915, 29.580398915}