-9x^2-10x-4=0

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Solution for -9x^2-10x-4=0 equation:


Simplifying
-9x2 + -10x + -4 = 0

Reorder the terms:
-4 + -10x + -9x2 = 0

Solving
-4 + -10x + -9x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '-1'.
-1(4 + 10x + 9x2) = 0

Ignore the factor -1.

Subproblem 1

Set the factor '(4 + 10x + 9x2)' equal to zero and attempt to solve: Simplifying 4 + 10x + 9x2 = 0 Solving 4 + 10x + 9x2 = 0 Begin completing the square. Divide all terms by 9 the coefficient of the squared term: Divide each side by '9'. 0.4444444444 + 1.111111111x + x2 = 0 Move the constant term to the right: Add '-0.4444444444' to each side of the equation. 0.4444444444 + 1.111111111x + -0.4444444444 + x2 = 0 + -0.4444444444 Reorder the terms: 0.4444444444 + -0.4444444444 + 1.111111111x + x2 = 0 + -0.4444444444 Combine like terms: 0.4444444444 + -0.4444444444 = 0.0000000000 0.0000000000 + 1.111111111x + x2 = 0 + -0.4444444444 1.111111111x + x2 = 0 + -0.4444444444 Combine like terms: 0 + -0.4444444444 = -0.4444444444 1.111111111x + x2 = -0.4444444444 The x term is 1.111111111x. Take half its coefficient (0.5555555555). Square it (0.3086419752) and add it to both sides. Add '0.3086419752' to each side of the equation. 1.111111111x + 0.3086419752 + x2 = -0.4444444444 + 0.3086419752 Reorder the terms: 0.3086419752 + 1.111111111x + x2 = -0.4444444444 + 0.3086419752 Combine like terms: -0.4444444444 + 0.3086419752 = -0.1358024692 0.3086419752 + 1.111111111x + x2 = -0.1358024692 Factor a perfect square on the left side: (x + 0.5555555555)(x + 0.5555555555) = -0.1358024692 Can't calculate square root of the right side. The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.

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