6a^2-33a-4=

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Solution for 6a^2-33a-4= equation:


Simplifying
6a2 + -33a + -4 = 0

Reorder the terms:
-4 + -33a + 6a2 = 0

Solving
-4 + -33a + 6a2 = 0

Solving for variable 'a'.

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

Divide each side by '6'.
-0.6666666667 + -5.5a + a2 = 0

Move the constant term to the right:

Add '0.6666666667' to each side of the equation.
-0.6666666667 + -5.5a + 0.6666666667 + a2 = 0 + 0.6666666667

Reorder the terms:
-0.6666666667 + 0.6666666667 + -5.5a + a2 = 0 + 0.6666666667

Combine like terms: -0.6666666667 + 0.6666666667 = 0.0000000000
0.0000000000 + -5.5a + a2 = 0 + 0.6666666667
-5.5a + a2 = 0 + 0.6666666667

Combine like terms: 0 + 0.6666666667 = 0.6666666667
-5.5a + a2 = 0.6666666667

The a term is -5.5a.  Take half its coefficient (-2.75).
Square it (7.5625) and add it to both sides.

Add '7.5625' to each side of the equation.
-5.5a + 7.5625 + a2 = 0.6666666667 + 7.5625

Reorder the terms:
7.5625 + -5.5a + a2 = 0.6666666667 + 7.5625

Combine like terms: 0.6666666667 + 7.5625 = 8.2291666667
7.5625 + -5.5a + a2 = 8.2291666667

Factor a perfect square on the left side:
(a + -2.75)(a + -2.75) = 8.2291666667

Calculate the square root of the right side: 2.868652413

Break this problem into two subproblems by setting 
(a + -2.75) equal to 2.868652413 and -2.868652413.

Subproblem 1

a + -2.75 = 2.868652413 Simplifying a + -2.75 = 2.868652413 Reorder the terms: -2.75 + a = 2.868652413 Solving -2.75 + a = 2.868652413 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '2.75' to each side of the equation. -2.75 + 2.75 + a = 2.868652413 + 2.75 Combine like terms: -2.75 + 2.75 = 0.00 0.00 + a = 2.868652413 + 2.75 a = 2.868652413 + 2.75 Combine like terms: 2.868652413 + 2.75 = 5.618652413 a = 5.618652413 Simplifying a = 5.618652413

Subproblem 2

a + -2.75 = -2.868652413 Simplifying a + -2.75 = -2.868652413 Reorder the terms: -2.75 + a = -2.868652413 Solving -2.75 + a = -2.868652413 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '2.75' to each side of the equation. -2.75 + 2.75 + a = -2.868652413 + 2.75 Combine like terms: -2.75 + 2.75 = 0.00 0.00 + a = -2.868652413 + 2.75 a = -2.868652413 + 2.75 Combine like terms: -2.868652413 + 2.75 = -0.118652413 a = -0.118652413 Simplifying a = -0.118652413

Solution

The solution to the problem is based on the solutions from the subproblems. a = {5.618652413, -0.118652413}

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