-.04x^2+.84+2=0

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Solution for -.04x^2+.84+2=0 equation: 


Simplifying
-0.04x2 + 0.84 + 2 = 0

Reorder the terms:
0.84 + 2 + -0.04x2 = 0

Combine like terms: 0.84 + 2 = 2.84
2.84 + -0.04x2 = 0

Solving
2.84 + -0.04x2 = 0

Solving for variable 'x'.

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

Add '-2.84' to each side of the equation.
2.84 + -2.84 + -0.04x2 = 0 + -2.84

Combine like terms: 2.84 + -2.84 = 0.00
0.00 + -0.04x2 = 0 + -2.84
-0.04x2 = 0 + -2.84

Combine like terms: 0 + -2.84 = -2.84
-0.04x2 = -2.84

Divide each side by '-0.04'.
x2 = 71

Simplifying
x2 = 71

Take the square root of each side:
x = {-8.426149773, 8.426149773}

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