4a^2-3a-3=

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Solution for 4a^2-3a-3= equation:


Simplifying
4a2 + -3a + -3 = 0

Reorder the terms:
-3 + -3a + 4a2 = 0

Solving
-3 + -3a + 4a2 = 0

Solving for variable 'a'.

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

Divide each side by '4'.
-0.75 + -0.75a + a2 = 0

Move the constant term to the right:

Add '0.75' to each side of the equation.
-0.75 + -0.75a + 0.75 + a2 = 0 + 0.75

Reorder the terms:
-0.75 + 0.75 + -0.75a + a2 = 0 + 0.75

Combine like terms: -0.75 + 0.75 = 0.00
0.00 + -0.75a + a2 = 0 + 0.75
-0.75a + a2 = 0 + 0.75

Combine like terms: 0 + 0.75 = 0.75
-0.75a + a2 = 0.75

The a term is -0.75a.  Take half its coefficient (-0.375).
Square it (0.140625) and add it to both sides.

Add '0.140625' to each side of the equation.
-0.75a + 0.140625 + a2 = 0.75 + 0.140625

Reorder the terms:
0.140625 + -0.75a + a2 = 0.75 + 0.140625

Combine like terms: 0.75 + 0.140625 = 0.890625
0.140625 + -0.75a + a2 = 0.890625

Factor a perfect square on the left side:
(a + -0.375)(a + -0.375) = 0.890625

Calculate the square root of the right side: 0.943729304

Break this problem into two subproblems by setting 
(a + -0.375) equal to 0.943729304 and -0.943729304.

Subproblem 1

a + -0.375 = 0.943729304 Simplifying a + -0.375 = 0.943729304 Reorder the terms: -0.375 + a = 0.943729304 Solving -0.375 + a = 0.943729304 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '0.375' to each side of the equation. -0.375 + 0.375 + a = 0.943729304 + 0.375 Combine like terms: -0.375 + 0.375 = 0.000 0.000 + a = 0.943729304 + 0.375 a = 0.943729304 + 0.375 Combine like terms: 0.943729304 + 0.375 = 1.318729304 a = 1.318729304 Simplifying a = 1.318729304

Subproblem 2

a + -0.375 = -0.943729304 Simplifying a + -0.375 = -0.943729304 Reorder the terms: -0.375 + a = -0.943729304 Solving -0.375 + a = -0.943729304 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '0.375' to each side of the equation. -0.375 + 0.375 + a = -0.943729304 + 0.375 Combine like terms: -0.375 + 0.375 = 0.000 0.000 + a = -0.943729304 + 0.375 a = -0.943729304 + 0.375 Combine like terms: -0.943729304 + 0.375 = -0.568729304 a = -0.568729304 Simplifying a = -0.568729304

Solution

The solution to the problem is based on the solutions from the subproblems. a = {1.318729304, -0.568729304}

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