6.26*x-(9.8)*x^2-1=0

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Solution for 6.26*x-(9.8)*x^2-1=0 equation: 


Simplifying
6.26x + -1(9.8) * x2 + -1 = 0

Multiply -1 * 9.8
6.26x + -9.8x2 + -1 = 0

Reorder the terms:
-1 + 6.26x + -9.8x2 = 0

Solving
-1 + 6.26x + -9.8x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
-9.8 the coefficient of the squared term: 

Divide each side by '-9.8'.
0.1020408163 + -0.6387755102x + x2 = 0

Move the constant term to the right:

Add '-0.1020408163' to each side of the equation.
0.1020408163 + -0.6387755102x + -0.1020408163 + x2 = 0 + -0.1020408163

Reorder the terms:
0.1020408163 + -0.1020408163 + -0.6387755102x + x2 = 0 + -0.1020408163

Combine like terms: 0.1020408163 + -0.1020408163 = 0.0000000000
0.0000000000 + -0.6387755102x + x2 = 0 + -0.1020408163
-0.6387755102x + x2 = 0 + -0.1020408163

Combine like terms: 0 + -0.1020408163 = -0.1020408163
-0.6387755102x + x2 = -0.1020408163

The x term is -0.6387755102x.  Take half its coefficient (-0.3193877551).
Square it (0.1020085381) and add it to both sides.

Add '0.1020085381' to each side of the equation.
-0.6387755102x + 0.1020085381 + x2 = -0.1020408163 + 0.1020085381

Reorder the terms:
0.1020085381 + -0.6387755102x + x2 = -0.1020408163 + 0.1020085381

Combine like terms: -0.1020408163 + 0.1020085381 = -0.0000322782
0.1020085381 + -0.6387755102x + x2 = -0.0000322782

Factor a perfect square on the left side:
(x + -0.3193877551)(x + -0.3193877551) = -0.0000322782

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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