4t^2-15t+16=0

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Solution for 4t^2-15t+16=0 equation:


Simplifying
4t2 + -15t + 16 = 0

Reorder the terms:
16 + -15t + 4t2 = 0

Solving
16 + -15t + 4t2 = 0

Solving for variable 't'.

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

Divide each side by '4'.
4 + -3.75t + t2 = 0

Move the constant term to the right:

Add '-4' to each side of the equation.
4 + -3.75t + -4 + t2 = 0 + -4

Reorder the terms:
4 + -4 + -3.75t + t2 = 0 + -4

Combine like terms: 4 + -4 = 0
0 + -3.75t + t2 = 0 + -4
-3.75t + t2 = 0 + -4

Combine like terms: 0 + -4 = -4
-3.75t + t2 = -4

The t term is -3.75t.  Take half its coefficient (-1.875).
Square it (3.515625) and add it to both sides.

Add '3.515625' to each side of the equation.
-3.75t + 3.515625 + t2 = -4 + 3.515625

Reorder the terms:
3.515625 + -3.75t + t2 = -4 + 3.515625

Combine like terms: -4 + 3.515625 = -0.484375
3.515625 + -3.75t + t2 = -0.484375

Factor a perfect square on the left side:
(t + -1.875)(t + -1.875) = -0.484375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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