7t^2-2t+8=0

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Solution for 7t^2-2t+8=0 equation:


Simplifying
7t2 + -2t + 8 = 0

Reorder the terms:
8 + -2t + 7t2 = 0

Solving
8 + -2t + 7t2 = 0

Solving for variable 't'.

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

Divide each side by '7'.
1.142857143 + -0.2857142857t + t2 = 0

Move the constant term to the right:

Add '-1.142857143' to each side of the equation.
1.142857143 + -0.2857142857t + -1.142857143 + t2 = 0 + -1.142857143

Reorder the terms:
1.142857143 + -1.142857143 + -0.2857142857t + t2 = 0 + -1.142857143

Combine like terms: 1.142857143 + -1.142857143 = 0.000000000
0.000000000 + -0.2857142857t + t2 = 0 + -1.142857143
-0.2857142857t + t2 = 0 + -1.142857143

Combine like terms: 0 + -1.142857143 = -1.142857143
-0.2857142857t + t2 = -1.142857143

The t term is -0.2857142857t.  Take half its coefficient (-0.1428571429).
Square it (0.02040816328) and add it to both sides.

Add '0.02040816328' to each side of the equation.
-0.2857142857t + 0.02040816328 + t2 = -1.142857143 + 0.02040816328

Reorder the terms:
0.02040816328 + -0.2857142857t + t2 = -1.142857143 + 0.02040816328

Combine like terms: -1.142857143 + 0.02040816328 = -1.12244897972
0.02040816328 + -0.2857142857t + t2 = -1.12244897972

Factor a perfect square on the left side:
(t + -0.1428571429)(t + -0.1428571429) = -1.12244897972

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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