=-2.11x^2+0.96x-0.53

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Solution for =-2.11x^2+0.96x-0.53 equation:


Simplifying
0 = -2.11x2 + 0.96x + -0.53

Reorder the terms:
0 = -0.53 + 0.96x + -2.11x2

Solving
0 = -0.53 + 0.96x + -2.11x2

Solving for variable 'x'.

Combine like terms: 0 + 0.53 = 0.53
0.53 + -0.96x + 2.11x2 = -0.53 + 0.96x + -2.11x2 + 0.53 + -0.96x + 2.11x2

Reorder the terms:
0.53 + -0.96x + 2.11x2 = -0.53 + 0.53 + 0.96x + -0.96x + -2.11x2 + 2.11x2

Combine like terms: -0.53 + 0.53 = 0.00
0.53 + -0.96x + 2.11x2 = 0.00 + 0.96x + -0.96x + -2.11x2 + 2.11x2
0.53 + -0.96x + 2.11x2 = 0.96x + -0.96x + -2.11x2 + 2.11x2

Combine like terms: 0.96x + -0.96x = 0.00
0.53 + -0.96x + 2.11x2 = 0.00 + -2.11x2 + 2.11x2
0.53 + -0.96x + 2.11x2 = -2.11x2 + 2.11x2

Combine like terms: -2.11x2 + 2.11x2 = 0.00
0.53 + -0.96x + 2.11x2 = 0.00

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

Divide each side by '2.11'.
0.2511848341 + -0.4549763033x + x2 = 0

Move the constant term to the right:

Add '-0.2511848341' to each side of the equation.
0.2511848341 + -0.4549763033x + -0.2511848341 + x2 = 0 + -0.2511848341

Reorder the terms:
0.2511848341 + -0.2511848341 + -0.4549763033x + x2 = 0 + -0.2511848341

Combine like terms: 0.2511848341 + -0.2511848341 = 0.0000000000
0.0000000000 + -0.4549763033x + x2 = 0 + -0.2511848341
-0.4549763033x + x2 = 0 + -0.2511848341

Combine like terms: 0 + -0.2511848341 = -0.2511848341
-0.4549763033x + x2 = -0.2511848341

The x term is -0.4549763033x.  Take half its coefficient (-0.2274881517).
Square it (0.05175085916) and add it to both sides.

Add '0.05175085916' to each side of the equation.
-0.4549763033x + 0.05175085916 + x2 = -0.2511848341 + 0.05175085916

Reorder the terms:
0.05175085916 + -0.4549763033x + x2 = -0.2511848341 + 0.05175085916

Combine like terms: -0.2511848341 + 0.05175085916 = -0.19943397494
0.05175085916 + -0.4549763033x + x2 = -0.19943397494

Factor a perfect square on the left side:
(x + -0.2274881517)(x + -0.2274881517) = -0.19943397494

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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