-3t^2-5t+5=0

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Solution for -3t^2-5t+5=0 equation: 


Simplifying
-3t2 + -5t + 5 = 0

Reorder the terms:
5 + -5t + -3t2 = 0

Solving
5 + -5t + -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'.
-1.666666667 + 1.666666667t + t2 = 0

Move the constant term to the right:

Add '1.666666667' to each side of the equation.
-1.666666667 + 1.666666667t + 1.666666667 + t2 = 0 + 1.666666667

Reorder the terms:
-1.666666667 + 1.666666667 + 1.666666667t + t2 = 0 + 1.666666667

Combine like terms: -1.666666667 + 1.666666667 = 0.000000000
0.000000000 + 1.666666667t + t2 = 0 + 1.666666667
1.666666667t + t2 = 0 + 1.666666667

Combine like terms: 0 + 1.666666667 = 1.666666667
1.666666667t + t2 = 1.666666667

The t term is 1.666666667t.  Take half its coefficient (0.8333333335).
Square it (0.6944444447) and add it to both sides.

Add '0.6944444447' to each side of the equation.
1.666666667t + 0.6944444447 + t2 = 1.666666667 + 0.6944444447

Reorder the terms:
0.6944444447 + 1.666666667t + t2 = 1.666666667 + 0.6944444447

Combine like terms: 1.666666667 + 0.6944444447 = 2.3611111117
0.6944444447 + 1.666666667t + t2 = 2.3611111117

Factor a perfect square on the left side:
(t + 0.8333333335)(t + 0.8333333335) = 2.3611111117

Calculate the square root of the right side: 1.536590743

Break this problem into two subproblems by setting 
(t + 0.8333333335) equal to 1.536590743 and -1.536590743.


Subproblem 1
t + 0.8333333335 = 1.536590743

Simplifying
t + 0.8333333335 = 1.536590743

Reorder the terms:
0.8333333335 + t = 1.536590743

Solving
0.8333333335 + t = 1.536590743

Solving for variable 't'.

Move all terms containing t to the left, all other terms to the right.

Add '-0.8333333335' to each side of the equation.
0.8333333335 + -0.8333333335 + t = 1.536590743 + -0.8333333335

Combine like terms: 0.8333333335 + -0.8333333335 = 0.0000000000
0.0000000000 + t = 1.536590743 + -0.8333333335
t = 1.536590743 + -0.8333333335

Combine like terms: 1.536590743 + -0.8333333335 = 0.7032574095
t = 0.7032574095

Simplifying
t = 0.7032574095


Subproblem 2
t + 0.8333333335 = -1.536590743

Simplifying
t + 0.8333333335 = -1.536590743

Reorder the terms:
0.8333333335 + t = -1.536590743

Solving
0.8333333335 + t = -1.536590743

Solving for variable 't'.

Move all terms containing t to the left, all other terms to the right.

Add '-0.8333333335' to each side of the equation.
0.8333333335 + -0.8333333335 + t = -1.536590743 + -0.8333333335

Combine like terms: 0.8333333335 + -0.8333333335 = 0.0000000000
0.0000000000 + t = -1.536590743 + -0.8333333335
t = -1.536590743 + -0.8333333335

Combine like terms: -1.536590743 + -0.8333333335 = -2.3699240765
t = -2.3699240765

Simplifying
t = -2.3699240765


Solution
The solution to the problem is based on the solutions
from the subproblems.
t = {0.7032574095, -2.3699240765}

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