8t^2-21t+14=0

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Solution for 8t^2-21t+14=0 equation:


Simplifying
8t2 + -21t + 14 = 0

Reorder the terms:
14 + -21t + 8t2 = 0

Solving
14 + -21t + 8t2 = 0

Solving for variable 't'.

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

Divide each side by '8'.
1.75 + -2.625t + t2 = 0

Move the constant term to the right:

Add '-1.75' to each side of the equation.
1.75 + -2.625t + -1.75 + t2 = 0 + -1.75

Reorder the terms:
1.75 + -1.75 + -2.625t + t2 = 0 + -1.75

Combine like terms: 1.75 + -1.75 = 0.00
0.00 + -2.625t + t2 = 0 + -1.75
-2.625t + t2 = 0 + -1.75

Combine like terms: 0 + -1.75 = -1.75
-2.625t + t2 = -1.75

The t term is -2.625t.  Take half its coefficient (-1.3125).
Square it (1.72265625) and add it to both sides.

Add '1.72265625' to each side of the equation.
-2.625t + 1.72265625 + t2 = -1.75 + 1.72265625

Reorder the terms:
1.72265625 + -2.625t + t2 = -1.75 + 1.72265625

Combine like terms: -1.75 + 1.72265625 = -0.02734375
1.72265625 + -2.625t + t2 = -0.02734375

Factor a perfect square on the left side:
(t + -1.3125)(t + -1.3125) = -0.02734375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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