0=t^2+2.92*t-2.14

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Solution for 0=t^2+2.92*t-2.14 equation:


Simplifying
0 = t2 + 2.92t + -2.14

Reorder the terms:
0 = -2.14 + 2.92t + t2

Solving
0 = -2.14 + 2.92t + t2

Solving for variable 't'.

Combine like terms: 0 + 2.14 = 2.14
2.14 + -2.92t + -1t2 = -2.14 + 2.92t + t2 + 2.14 + -2.92t + -1t2

Reorder the terms:
2.14 + -2.92t + -1t2 = -2.14 + 2.14 + 2.92t + -2.92t + t2 + -1t2

Combine like terms: -2.14 + 2.14 = 0.00
2.14 + -2.92t + -1t2 = 0.00 + 2.92t + -2.92t + t2 + -1t2
2.14 + -2.92t + -1t2 = 2.92t + -2.92t + t2 + -1t2

Combine like terms: 2.92t + -2.92t = 0.00
2.14 + -2.92t + -1t2 = 0.00 + t2 + -1t2
2.14 + -2.92t + -1t2 = t2 + -1t2

Combine like terms: t2 + -1t2 = 0
2.14 + -2.92t + -1t2 = 0

Begin completing the square.  Divide all terms by
-1 the coefficient of the squared term: 

Divide each side by '-1'.
-2.14 + 2.92t + t2 = 0

Move the constant term to the right:

Add '2.14' to each side of the equation.
-2.14 + 2.92t + 2.14 + t2 = 0 + 2.14

Reorder the terms:
-2.14 + 2.14 + 2.92t + t2 = 0 + 2.14

Combine like terms: -2.14 + 2.14 = 0.00
0.00 + 2.92t + t2 = 0 + 2.14
2.92t + t2 = 0 + 2.14

Combine like terms: 0 + 2.14 = 2.14
2.92t + t2 = 2.14

The t term is 2.92t.  Take half its coefficient (1.46).
Square it (2.1316) and add it to both sides.

Add '2.1316' to each side of the equation.
2.92t + 2.1316 + t2 = 2.14 + 2.1316

Reorder the terms:
2.1316 + 2.92t + t2 = 2.14 + 2.1316

Combine like terms: 2.14 + 2.1316 = 4.2716
2.1316 + 2.92t + t2 = 4.2716

Factor a perfect square on the left side:
(t + 1.46)(t + 1.46) = 4.2716

Calculate the square root of the right side: 2.066784943

Break this problem into two subproblems by setting 
(t + 1.46) equal to 2.066784943 and -2.066784943.

Subproblem 1

t + 1.46 = 2.066784943 Simplifying t + 1.46 = 2.066784943 Reorder the terms: 1.46 + t = 2.066784943 Solving 1.46 + t = 2.066784943 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '-1.46' to each side of the equation. 1.46 + -1.46 + t = 2.066784943 + -1.46 Combine like terms: 1.46 + -1.46 = 0.00 0.00 + t = 2.066784943 + -1.46 t = 2.066784943 + -1.46 Combine like terms: 2.066784943 + -1.46 = 0.606784943 t = 0.606784943 Simplifying t = 0.606784943

Subproblem 2

t + 1.46 = -2.066784943 Simplifying t + 1.46 = -2.066784943 Reorder the terms: 1.46 + t = -2.066784943 Solving 1.46 + t = -2.066784943 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '-1.46' to each side of the equation. 1.46 + -1.46 + t = -2.066784943 + -1.46 Combine like terms: 1.46 + -1.46 = 0.00 0.00 + t = -2.066784943 + -1.46 t = -2.066784943 + -1.46 Combine like terms: -2.066784943 + -1.46 = -3.526784943 t = -3.526784943 Simplifying t = -3.526784943

Solution

The solution to the problem is based on the solutions from the subproblems. t = {0.606784943, -3.526784943}

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