a(a-8)-3(a-2)=

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Solution for a(a-8)-3(a-2)= equation:


Simplifying
a(a + -8) + -3(a + -2) = 0

Reorder the terms:
a(-8 + a) + -3(a + -2) = 0
(-8 * a + a * a) + -3(a + -2) = 0
(-8a + a2) + -3(a + -2) = 0

Reorder the terms:
-8a + a2 + -3(-2 + a) = 0
-8a + a2 + (-2 * -3 + a * -3) = 0
-8a + a2 + (6 + -3a) = 0

Reorder the terms:
6 + -8a + -3a + a2 = 0

Combine like terms: -8a + -3a = -11a
6 + -11a + a2 = 0

Solving
6 + -11a + a2 = 0

Solving for variable 'a'.

Begin completing the square.

Move the constant term to the right:

Add '-6' to each side of the equation.
6 + -11a + -6 + a2 = 0 + -6

Reorder the terms:
6 + -6 + -11a + a2 = 0 + -6

Combine like terms: 6 + -6 = 0
0 + -11a + a2 = 0 + -6
-11a + a2 = 0 + -6

Combine like terms: 0 + -6 = -6
-11a + a2 = -6

The a term is -11a.  Take half its coefficient (-5.5).
Square it (30.25) and add it to both sides.

Add '30.25' to each side of the equation.
-11a + 30.25 + a2 = -6 + 30.25

Reorder the terms:
30.25 + -11a + a2 = -6 + 30.25

Combine like terms: -6 + 30.25 = 24.25
30.25 + -11a + a2 = 24.25

Factor a perfect square on the left side:
(a + -5.5)(a + -5.5) = 24.25

Calculate the square root of the right side: 4.924428901

Break this problem into two subproblems by setting 
(a + -5.5) equal to 4.924428901 and -4.924428901.

Subproblem 1

a + -5.5 = 4.924428901 Simplifying a + -5.5 = 4.924428901 Reorder the terms: -5.5 + a = 4.924428901 Solving -5.5 + a = 4.924428901 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '5.5' to each side of the equation. -5.5 + 5.5 + a = 4.924428901 + 5.5 Combine like terms: -5.5 + 5.5 = 0.0 0.0 + a = 4.924428901 + 5.5 a = 4.924428901 + 5.5 Combine like terms: 4.924428901 + 5.5 = 10.424428901 a = 10.424428901 Simplifying a = 10.424428901

Subproblem 2

a + -5.5 = -4.924428901 Simplifying a + -5.5 = -4.924428901 Reorder the terms: -5.5 + a = -4.924428901 Solving -5.5 + a = -4.924428901 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '5.5' to each side of the equation. -5.5 + 5.5 + a = -4.924428901 + 5.5 Combine like terms: -5.5 + 5.5 = 0.0 0.0 + a = -4.924428901 + 5.5 a = -4.924428901 + 5.5 Combine like terms: -4.924428901 + 5.5 = 0.575571099 a = 0.575571099 Simplifying a = 0.575571099

Solution

The solution to the problem is based on the solutions from the subproblems. a = {10.424428901, 0.575571099}

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