-16t^2+7t-4=0

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Solution for -16t^2+7t-4=0 equation:


Simplifying
-16t2 + 7t + -4 = 0

Reorder the terms:
-4 + 7t + -16t2 = 0

Solving
-4 + 7t + -16t2 = 0

Solving for variable 't'.

Begin completing the square.  Divide all terms by
-16 the coefficient of the squared term: 

Divide each side by '-16'.
0.25 + -0.4375t + t2 = 0

Move the constant term to the right:

Add '-0.25' to each side of the equation.
0.25 + -0.4375t + -0.25 + t2 = 0 + -0.25

Reorder the terms:
0.25 + -0.25 + -0.4375t + t2 = 0 + -0.25

Combine like terms: 0.25 + -0.25 = 0.00
0.00 + -0.4375t + t2 = 0 + -0.25
-0.4375t + t2 = 0 + -0.25

Combine like terms: 0 + -0.25 = -0.25
-0.4375t + t2 = -0.25

The t term is -0.4375t.  Take half its coefficient (-0.21875).
Square it (0.0478515625) and add it to both sides.

Add '0.0478515625' to each side of the equation.
-0.4375t + 0.0478515625 + t2 = -0.25 + 0.0478515625

Reorder the terms:
0.0478515625 + -0.4375t + t2 = -0.25 + 0.0478515625

Combine like terms: -0.25 + 0.0478515625 = -0.2021484375
0.0478515625 + -0.4375t + t2 = -0.2021484375

Factor a perfect square on the left side:
(t + -0.21875)(t + -0.21875) = -0.2021484375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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