2(3a+2a*6a-4a)=7a+5

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Solution for 2(3a+2a*6a-4a)=7a+5 equation:


Simplifying
2(3a + 2a * 6a + -4a) = 7a + 5

Reorder the terms for easier multiplication:
2(3a + 2 * 6a * a + -4a) = 7a + 5

Multiply 2 * 6
2(3a + 12a * a + -4a) = 7a + 5

Multiply a * a
2(3a + 12a2 + -4a) = 7a + 5

Reorder the terms:
2(3a + -4a + 12a2) = 7a + 5

Combine like terms: 3a + -4a = -1a
2(-1a + 12a2) = 7a + 5
(-1a * 2 + 12a2 * 2) = 7a + 5
(-2a + 24a2) = 7a + 5

Reorder the terms:
-2a + 24a2 = 5 + 7a

Solving
-2a + 24a2 = 5 + 7a

Solving for variable 'a'.

Reorder the terms:
-5 + -2a + -7a + 24a2 = 5 + 7a + -5 + -7a

Combine like terms: -2a + -7a = -9a
-5 + -9a + 24a2 = 5 + 7a + -5 + -7a

Reorder the terms:
-5 + -9a + 24a2 = 5 + -5 + 7a + -7a

Combine like terms: 5 + -5 = 0
-5 + -9a + 24a2 = 0 + 7a + -7a
-5 + -9a + 24a2 = 7a + -7a

Combine like terms: 7a + -7a = 0
-5 + -9a + 24a2 = 0

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

Divide each side by '24'.
-0.2083333333 + -0.375a + a2 = 0

Move the constant term to the right:

Add '0.2083333333' to each side of the equation.
-0.2083333333 + -0.375a + 0.2083333333 + a2 = 0 + 0.2083333333

Reorder the terms:
-0.2083333333 + 0.2083333333 + -0.375a + a2 = 0 + 0.2083333333

Combine like terms: -0.2083333333 + 0.2083333333 = 0.0000000000
0.0000000000 + -0.375a + a2 = 0 + 0.2083333333
-0.375a + a2 = 0 + 0.2083333333

Combine like terms: 0 + 0.2083333333 = 0.2083333333
-0.375a + a2 = 0.2083333333

The a term is -0.375a.  Take half its coefficient (-0.1875).
Square it (0.03515625) and add it to both sides.

Add '0.03515625' to each side of the equation.
-0.375a + 0.03515625 + a2 = 0.2083333333 + 0.03515625

Reorder the terms:
0.03515625 + -0.375a + a2 = 0.2083333333 + 0.03515625

Combine like terms: 0.2083333333 + 0.03515625 = 0.2434895833
0.03515625 + -0.375a + a2 = 0.2434895833

Factor a perfect square on the left side:
(a + -0.1875)(a + -0.1875) = 0.2434895833

Calculate the square root of the right side: 0.493446637

Break this problem into two subproblems by setting 
(a + -0.1875) equal to 0.493446637 and -0.493446637.

Subproblem 1

a + -0.1875 = 0.493446637 Simplifying a + -0.1875 = 0.493446637 Reorder the terms: -0.1875 + a = 0.493446637 Solving -0.1875 + a = 0.493446637 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '0.1875' to each side of the equation. -0.1875 + 0.1875 + a = 0.493446637 + 0.1875 Combine like terms: -0.1875 + 0.1875 = 0.0000 0.0000 + a = 0.493446637 + 0.1875 a = 0.493446637 + 0.1875 Combine like terms: 0.493446637 + 0.1875 = 0.680946637 a = 0.680946637 Simplifying a = 0.680946637

Subproblem 2

a + -0.1875 = -0.493446637 Simplifying a + -0.1875 = -0.493446637 Reorder the terms: -0.1875 + a = -0.493446637 Solving -0.1875 + a = -0.493446637 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '0.1875' to each side of the equation. -0.1875 + 0.1875 + a = -0.493446637 + 0.1875 Combine like terms: -0.1875 + 0.1875 = 0.0000 0.0000 + a = -0.493446637 + 0.1875 a = -0.493446637 + 0.1875 Combine like terms: -0.493446637 + 0.1875 = -0.305946637 a = -0.305946637 Simplifying a = -0.305946637

Solution

The solution to the problem is based on the solutions from the subproblems. a = {0.680946637, -0.305946637}

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