0=1.5t^2-6t+3

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Solution for 0=1.5t^2-6t+3 equation:


Simplifying
0 = 1.5t2 + -6t + 3

Reorder the terms:
0 = 3 + -6t + 1.5t2

Solving
0 = 3 + -6t + 1.5t2

Solving for variable 't'.

Combine like terms: 0 + -3 = -3
-3 + 6t + -1.5t2 = 3 + -6t + 1.5t2 + -3 + 6t + -1.5t2

Reorder the terms:
-3 + 6t + -1.5t2 = 3 + -3 + -6t + 6t + 1.5t2 + -1.5t2

Combine like terms: 3 + -3 = 0
-3 + 6t + -1.5t2 = 0 + -6t + 6t + 1.5t2 + -1.5t2
-3 + 6t + -1.5t2 = -6t + 6t + 1.5t2 + -1.5t2

Combine like terms: -6t + 6t = 0
-3 + 6t + -1.5t2 = 0 + 1.5t2 + -1.5t2
-3 + 6t + -1.5t2 = 1.5t2 + -1.5t2

Combine like terms: 1.5t2 + -1.5t2 = 0.0
-3 + 6t + -1.5t2 = 0.0

Begin completing the square.  Divide all terms by
-1.5 the coefficient of the squared term: 

Divide each side by '-1.5'.
2 + -4t + t2 = 0

Move the constant term to the right:

Add '-2' to each side of the equation.
2 + -4t + -2 + t2 = 0 + -2

Reorder the terms:
2 + -2 + -4t + t2 = 0 + -2

Combine like terms: 2 + -2 = 0
0 + -4t + t2 = 0 + -2
-4t + t2 = 0 + -2

Combine like terms: 0 + -2 = -2
-4t + t2 = -2

The t term is -4t.  Take half its coefficient (-2).
Square it (4) and add it to both sides.

Add '4' to each side of the equation.
-4t + 4 + t2 = -2 + 4

Reorder the terms:
4 + -4t + t2 = -2 + 4

Combine like terms: -2 + 4 = 2
4 + -4t + t2 = 2

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

Calculate the square root of the right side: 1.414213562

Break this problem into two subproblems by setting 
(t + -2) equal to 1.414213562 and -1.414213562.

Subproblem 1

t + -2 = 1.414213562 Simplifying t + -2 = 1.414213562 Reorder the terms: -2 + t = 1.414213562 Solving -2 + t = 1.414213562 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + t = 1.414213562 + 2 Combine like terms: -2 + 2 = 0 0 + t = 1.414213562 + 2 t = 1.414213562 + 2 Combine like terms: 1.414213562 + 2 = 3.414213562 t = 3.414213562 Simplifying t = 3.414213562

Subproblem 2

t + -2 = -1.414213562 Simplifying t + -2 = -1.414213562 Reorder the terms: -2 + t = -1.414213562 Solving -2 + t = -1.414213562 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + t = -1.414213562 + 2 Combine like terms: -2 + 2 = 0 0 + t = -1.414213562 + 2 t = -1.414213562 + 2 Combine like terms: -1.414213562 + 2 = 0.585786438 t = 0.585786438 Simplifying t = 0.585786438

Solution

The solution to the problem is based on the solutions from the subproblems. t = {3.414213562, 0.585786438}

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