a^2-10a+14=0

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Solution for a^2-10a+14=0 equation:


Simplifying
a2 + -10a + 14 = 0

Reorder the terms:
14 + -10a + a2 = 0

Solving
14 + -10a + a2 = 0

Solving for variable 'a'.

Begin completing the square.

Move the constant term to the right:

Add '-14' to each side of the equation.
14 + -10a + -14 + a2 = 0 + -14

Reorder the terms:
14 + -14 + -10a + a2 = 0 + -14

Combine like terms: 14 + -14 = 0
0 + -10a + a2 = 0 + -14
-10a + a2 = 0 + -14

Combine like terms: 0 + -14 = -14
-10a + a2 = -14

The a term is -10a.  Take half its coefficient (-5).
Square it (25) and add it to both sides.

Add '25' to each side of the equation.
-10a + 25 + a2 = -14 + 25

Reorder the terms:
25 + -10a + a2 = -14 + 25

Combine like terms: -14 + 25 = 11
25 + -10a + a2 = 11

Factor a perfect square on the left side:
(a + -5)(a + -5) = 11

Calculate the square root of the right side: 3.31662479

Break this problem into two subproblems by setting 
(a + -5) equal to 3.31662479 and -3.31662479.

Subproblem 1

a + -5 = 3.31662479 Simplifying a + -5 = 3.31662479 Reorder the terms: -5 + a = 3.31662479 Solving -5 + a = 3.31662479 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + a = 3.31662479 + 5 Combine like terms: -5 + 5 = 0 0 + a = 3.31662479 + 5 a = 3.31662479 + 5 Combine like terms: 3.31662479 + 5 = 8.31662479 a = 8.31662479 Simplifying a = 8.31662479

Subproblem 2

a + -5 = -3.31662479 Simplifying a + -5 = -3.31662479 Reorder the terms: -5 + a = -3.31662479 Solving -5 + a = -3.31662479 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + a = -3.31662479 + 5 Combine like terms: -5 + 5 = 0 0 + a = -3.31662479 + 5 a = -3.31662479 + 5 Combine like terms: -3.31662479 + 5 = 1.68337521 a = 1.68337521 Simplifying a = 1.68337521

Solution

The solution to the problem is based on the solutions from the subproblems. a = {8.31662479, 1.68337521}

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