t^2-8t+14=0

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Solution for t^2-8t+14=0 equation:


Simplifying
t2 + -8t + 14 = 0

Reorder the terms:
14 + -8t + t2 = 0

Solving
14 + -8t + t2 = 0

Solving for variable 't'.

Begin completing the square.

Move the constant term to the right:

Add '-14' to each side of the equation.
14 + -8t + -14 + t2 = 0 + -14

Reorder the terms:
14 + -14 + -8t + t2 = 0 + -14

Combine like terms: 14 + -14 = 0
0 + -8t + t2 = 0 + -14
-8t + t2 = 0 + -14

Combine like terms: 0 + -14 = -14
-8t + t2 = -14

The t term is -8t.  Take half its coefficient (-4).
Square it (16) and add it to both sides.

Add '16' to each side of the equation.
-8t + 16 + t2 = -14 + 16

Reorder the terms:
16 + -8t + t2 = -14 + 16

Combine like terms: -14 + 16 = 2
16 + -8t + t2 = 2

Factor a perfect square on the left side:
(t + -4)(t + -4) = 2

Calculate the square root of the right side: 1.414213562

Break this problem into two subproblems by setting 
(t + -4) equal to 1.414213562 and -1.414213562.

Subproblem 1

t + -4 = 1.414213562 Simplifying t + -4 = 1.414213562 Reorder the terms: -4 + t = 1.414213562 Solving -4 + t = 1.414213562 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + t = 1.414213562 + 4 Combine like terms: -4 + 4 = 0 0 + t = 1.414213562 + 4 t = 1.414213562 + 4 Combine like terms: 1.414213562 + 4 = 5.414213562 t = 5.414213562 Simplifying t = 5.414213562

Subproblem 2

t + -4 = -1.414213562 Simplifying t + -4 = -1.414213562 Reorder the terms: -4 + t = -1.414213562 Solving -4 + t = -1.414213562 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + t = -1.414213562 + 4 Combine like terms: -4 + 4 = 0 0 + t = -1.414213562 + 4 t = -1.414213562 + 4 Combine like terms: -1.414213562 + 4 = 2.585786438 t = 2.585786438 Simplifying t = 2.585786438

Solution

The solution to the problem is based on the solutions from the subproblems. t = {5.414213562, 2.585786438}

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