9=0.005x^2+0.002

Solution for 9=0.005x^2+0.002 equation:

Simplifying
9 = 0.005x2 + 0.002

Reorder the terms:
9 = 0.002 + 0.005x2

Solving
9 = 0.002 + 0.005x2

Solving for variable 'x'.

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

Add '-0.005x2' to each side of the equation.
9 + -0.005x2 = 0.002 + 0.005x2 + -0.005x2

Combine like terms: 0.005x2 + -0.005x2 = 0.000
9 + -0.005x2 = 0.002 + 0.000
9 + -0.005x2 = 0.002

Add '-9' to each side of the equation.
9 + -9 + -0.005x2 = 0.002 + -9

Combine like terms: 9 + -9 = 0
0 + -0.005x2 = 0.002 + -9
-0.005x2 = 0.002 + -9

Combine like terms: 0.002 + -9 = -8.998
-0.005x2 = -8.998

Divide each side by '-0.005'.
x2 = 1799.6

Simplifying
x2 = 1799.6

Take the square root of each side:
x = {-42.421692564, 42.421692564}