t^2+22t+100=0

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Solution for t^2+22t+100=0 equation:


Simplifying
t2 + 22t + 100 = 0

Reorder the terms:
100 + 22t + t2 = 0

Solving
100 + 22t + t2 = 0

Solving for variable 't'.

Begin completing the square.

Move the constant term to the right:

Add '-100' to each side of the equation.
100 + 22t + -100 + t2 = 0 + -100

Reorder the terms:
100 + -100 + 22t + t2 = 0 + -100

Combine like terms: 100 + -100 = 0
0 + 22t + t2 = 0 + -100
22t + t2 = 0 + -100

Combine like terms: 0 + -100 = -100
22t + t2 = -100

The t term is 22t.  Take half its coefficient (11).
Square it (121) and add it to both sides.

Add '121' to each side of the equation.
22t + 121 + t2 = -100 + 121

Reorder the terms:
121 + 22t + t2 = -100 + 121

Combine like terms: -100 + 121 = 21
121 + 22t + t2 = 21

Factor a perfect square on the left side:
(t + 11)(t + 11) = 21

Calculate the square root of the right side: 4.582575695

Break this problem into two subproblems by setting 
(t + 11) equal to 4.582575695 and -4.582575695.

Subproblem 1

t + 11 = 4.582575695 Simplifying t + 11 = 4.582575695 Reorder the terms: 11 + t = 4.582575695 Solving 11 + t = 4.582575695 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '-11' to each side of the equation. 11 + -11 + t = 4.582575695 + -11 Combine like terms: 11 + -11 = 0 0 + t = 4.582575695 + -11 t = 4.582575695 + -11 Combine like terms: 4.582575695 + -11 = -6.417424305 t = -6.417424305 Simplifying t = -6.417424305

Subproblem 2

t + 11 = -4.582575695 Simplifying t + 11 = -4.582575695 Reorder the terms: 11 + t = -4.582575695 Solving 11 + t = -4.582575695 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '-11' to each side of the equation. 11 + -11 + t = -4.582575695 + -11 Combine like terms: 11 + -11 = 0 0 + t = -4.582575695 + -11 t = -4.582575695 + -11 Combine like terms: -4.582575695 + -11 = -15.582575695 t = -15.582575695 Simplifying t = -15.582575695

Solution

The solution to the problem is based on the solutions from the subproblems. t = {-6.417424305, -15.582575695}

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