2=0.022x^2+0.25

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Solution for 2=0.022x^2+0.25 equation: 


Simplifying
2 = 0.022x2 + 0.25

Reorder the terms:
2 = 0.25 + 0.022x2

Solving
2 = 0.25 + 0.022x2

Solving for variable 'x'.

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

Add '-0.022x2' to each side of the equation.
2 + -0.022x2 = 0.25 + 0.022x2 + -0.022x2

Combine like terms: 0.022x2 + -0.022x2 = 0.000
2 + -0.022x2 = 0.25 + 0.000
2 + -0.022x2 = 0.25

Add '-2' to each side of the equation.
2 + -2 + -0.022x2 = 0.25 + -2

Combine like terms: 2 + -2 = 0
0 + -0.022x2 = 0.25 + -2
-0.022x2 = 0.25 + -2

Combine like terms: 0.25 + -2 = -1.75
-0.022x2 = -1.75

Divide each side by '-0.022'.
x2 = 79.54545455

Simplifying
x2 = 79.54545455

Take the square root of each side:
x = {-8.91882585, 8.91882585}

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