3T^2+6T-2=

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Solution for 3T^2+6T-2= equation:


Simplifying
3T2 + 6T + -2 = 0

Reorder the terms:
-2 + 6T + 3T2 = 0

Solving
-2 + 6T + 3T2 = 0

Solving for variable 'T'.

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

Divide each side by '3'.
-0.6666666667 + 2T + T2 = 0

Move the constant term to the right:

Add '0.6666666667' to each side of the equation.
-0.6666666667 + 2T + 0.6666666667 + T2 = 0 + 0.6666666667

Reorder the terms:
-0.6666666667 + 0.6666666667 + 2T + T2 = 0 + 0.6666666667

Combine like terms: -0.6666666667 + 0.6666666667 = 0.0000000000
0.0000000000 + 2T + T2 = 0 + 0.6666666667
2T + T2 = 0 + 0.6666666667

Combine like terms: 0 + 0.6666666667 = 0.6666666667
2T + T2 = 0.6666666667

The T term is 2T.  Take half its coefficient (1).
Square it (1) and add it to both sides.

Add '1' to each side of the equation.
2T + 1 + T2 = 0.6666666667 + 1

Reorder the terms:
1 + 2T + T2 = 0.6666666667 + 1

Combine like terms: 0.6666666667 + 1 = 1.6666666667
1 + 2T + T2 = 1.6666666667

Factor a perfect square on the left side:
(T + 1)(T + 1) = 1.6666666667

Calculate the square root of the right side: 1.290994449

Break this problem into two subproblems by setting 
(T + 1) equal to 1.290994449 and -1.290994449.

Subproblem 1

T + 1 = 1.290994449 Simplifying T + 1 = 1.290994449 Reorder the terms: 1 + T = 1.290994449 Solving 1 + T = 1.290994449 Solving for variable 'T'. Move all terms containing T to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + T = 1.290994449 + -1 Combine like terms: 1 + -1 = 0 0 + T = 1.290994449 + -1 T = 1.290994449 + -1 Combine like terms: 1.290994449 + -1 = 0.290994449 T = 0.290994449 Simplifying T = 0.290994449

Subproblem 2

T + 1 = -1.290994449 Simplifying T + 1 = -1.290994449 Reorder the terms: 1 + T = -1.290994449 Solving 1 + T = -1.290994449 Solving for variable 'T'. Move all terms containing T to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + T = -1.290994449 + -1 Combine like terms: 1 + -1 = 0 0 + T = -1.290994449 + -1 T = -1.290994449 + -1 Combine like terms: -1.290994449 + -1 = -2.290994449 T = -2.290994449 Simplifying T = -2.290994449

Solution

The solution to the problem is based on the solutions from the subproblems. T = {0.290994449, -2.290994449}

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