21x^2-x+10=

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Solution for 21x^2-x+10= equation:


Simplifying
21x2 + -1x + 10 = 0

Reorder the terms:
10 + -1x + 21x2 = 0

Solving
10 + -1x + 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'.
0.4761904762 + -0.04761904762x + x2 = 0

Move the constant term to the right:

Add '-0.4761904762' to each side of the equation.
0.4761904762 + -0.04761904762x + -0.4761904762 + x2 = 0 + -0.4761904762

Reorder the terms:
0.4761904762 + -0.4761904762 + -0.04761904762x + x2 = 0 + -0.4761904762

Combine like terms: 0.4761904762 + -0.4761904762 = 0.0000000000
0.0000000000 + -0.04761904762x + x2 = 0 + -0.4761904762
-0.04761904762x + x2 = 0 + -0.4761904762

Combine like terms: 0 + -0.4761904762 = -0.4761904762
-0.04761904762x + x2 = -0.4761904762

The x term is -0.04761904762x.  Take half its coefficient (-0.02380952381).
Square it (0.0005668934241) and add it to both sides.

Add '0.0005668934241' to each side of the equation.
-0.04761904762x + 0.0005668934241 + x2 = -0.4761904762 + 0.0005668934241

Reorder the terms:
0.0005668934241 + -0.04761904762x + x2 = -0.4761904762 + 0.0005668934241

Combine like terms: -0.4761904762 + 0.0005668934241 = -0.4756235827759
0.0005668934241 + -0.04761904762x + x2 = -0.4756235827759

Factor a perfect square on the left side:
(x + -0.02380952381)(x + -0.02380952381) = -0.4756235827759

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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