-(22x-83)+54x+21x^2-13x=

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Solution for -(22x-83)+54x+21x^2-13x= equation:


Simplifying
-1(22x + -83) + 54x + 21x2 + -13x = 0

Reorder the terms:
-1(-83 + 22x) + 54x + 21x2 + -13x = 0
(-83 * -1 + 22x * -1) + 54x + 21x2 + -13x = 0
(83 + -22x) + 54x + 21x2 + -13x = 0

Reorder the terms:
83 + -22x + 54x + -13x + 21x2 = 0

Combine like terms: -22x + 54x = 32x
83 + 32x + -13x + 21x2 = 0

Combine like terms: 32x + -13x = 19x
83 + 19x + 21x2 = 0

Solving
83 + 19x + 21x2 = 0

Solving for variable 'x'.

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

Divide each side by '21'.
3.952380952 + 0.9047619048x + x2 = 0

Move the constant term to the right:

Add '-3.952380952' to each side of the equation.
3.952380952 + 0.9047619048x + -3.952380952 + x2 = 0 + -3.952380952

Reorder the terms:
3.952380952 + -3.952380952 + 0.9047619048x + x2 = 0 + -3.952380952

Combine like terms: 3.952380952 + -3.952380952 = 0.000000000
0.000000000 + 0.9047619048x + x2 = 0 + -3.952380952
0.9047619048x + x2 = 0 + -3.952380952

Combine like terms: 0 + -3.952380952 = -3.952380952
0.9047619048x + x2 = -3.952380952

The x term is 0.9047619048x.  Take half its coefficient (0.4523809524).
Square it (0.2046485261) and add it to both sides.

Add '0.2046485261' to each side of the equation.
0.9047619048x + 0.2046485261 + x2 = -3.952380952 + 0.2046485261

Reorder the terms:
0.2046485261 + 0.9047619048x + x2 = -3.952380952 + 0.2046485261

Combine like terms: -3.952380952 + 0.2046485261 = -3.7477324259
0.2046485261 + 0.9047619048x + x2 = -3.7477324259

Factor a perfect square on the left side:
(x + 0.4523809524)(x + 0.4523809524) = -3.7477324259

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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