0=18-0.02x^2

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Solution for 0=18-0.02x^2 equation: 


Simplifying
0 = 18 + -0.02x2

Solving
0 = 18 + -0.02x2

Solving for variable 'x'.

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

Add '0.02x2' to each side of the equation.
0 + 0.02x2 = 18 + -0.02x2 + 0.02x2
Remove the zero:
0.02x2 = 18 + -0.02x2 + 0.02x2

Combine like terms: -0.02x2 + 0.02x2 = 0.00
0.02x2 = 18 + 0.00
0.02x2 = 18

Divide each side by '0.02'.
x2 = 900

Simplifying
x2 = 900

Take the square root of each side:
x = {-30, 30}

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