6.2=(.0021x^2)-(.286x)+16.28

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Solution for 6.2=(.0021x^2)-(.286x)+16.28 equation:


Simplifying
6.2 = (0.0021x2) + -1(0.286x) + 16.28

Remove parenthesis around (0.286x)
6.2 = (0.0021x2) + -1 * 0.286x + 16.28

Multiply -1 * 0.286
6.2 = (0.0021x2) + -0.286x + 16.28

Reorder the terms:
6.2 = 16.28 + -0.286x + (0.0021x2)

Solving
6.2 = 16.28 + -0.286x + (0.0021x2)

Solving for variable 'x'.

Combine like terms: 6.2 + -16.28 = -10.08
-10.08 + 0.286x + (-0.0021x2) = 16.28 + -0.286x + (0.0021x2) + -16.28 + 0.286x + (-0.0021x2)

Reorder the terms:
-10.08 + 0.286x + (-0.0021x2) = 16.28 + -16.28 + -0.286x + 0.286x + (0.0021x2) + (-0.0021x2)

Combine like terms: 16.28 + -16.28 = 0.00
-10.08 + 0.286x + (-0.0021x2) = 0.00 + -0.286x + 0.286x + (0.0021x2) + (-0.0021x2)
-10.08 + 0.286x + (-0.0021x2) = -0.286x + 0.286x + (0.0021x2) + (-0.0021x2)

Combine like terms: -0.286x + 0.286x = 0.000
-10.08 + 0.286x + (-0.0021x2) = 0.000 + (0.0021x2) + (-0.0021x2)
-10.08 + 0.286x + (-0.0021x2) = (0.0021x2) + (-0.0021x2)

Combine like terms: (0.0021x2) + (-0.0021x2) = 0.0000
-10.08 + 0.286x + (-0.0021x2) = 0.0000

Begin completing the square.  Divide all terms by
-0.0021 the coefficient of the squared term: 

Divide each side by '-0.0021'.
4800 + -136.1904762x + x2 = 0

Move the constant term to the right:

Add '-4800' to each side of the equation.
4800 + -136.1904762x + -4800 + x2 = 0 + -4800

Reorder the terms:
4800 + -4800 + -136.1904762x + x2 = 0 + -4800

Combine like terms: 4800 + -4800 = 0
0 + -136.1904762x + x2 = 0 + -4800
-136.1904762x + x2 = 0 + -4800

Combine like terms: 0 + -4800 = -4800
-136.1904762x + x2 = -4800

The x term is -136.1904762x.  Take half its coefficient (-68.0952381).
Square it (4636.961452) and add it to both sides.

Add '4636.961452' to each side of the equation.
-136.1904762x + 4636.961452 + x2 = -4800 + 4636.961452

Reorder the terms:
4636.961452 + -136.1904762x + x2 = -4800 + 4636.961452

Combine like terms: -4800 + 4636.961452 = -163.038548
4636.961452 + -136.1904762x + x2 = -163.038548

Factor a perfect square on the left side:
((x) + -68.0952381)((x) + -68.0952381) = -163.038548

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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