4+23t-16t^2=

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Solution for 4+23t-16t^2= equation:


Simplifying
4 + 23t + -16t2 = 0

Solving
4 + 23t + -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 + -1.4375t + t2 = 0

Move the constant term to the right:

Add '0.25' to each side of the equation.
-0.25 + -1.4375t + 0.25 + t2 = 0 + 0.25

Reorder the terms:
-0.25 + 0.25 + -1.4375t + t2 = 0 + 0.25

Combine like terms: -0.25 + 0.25 = 0.00
0.00 + -1.4375t + t2 = 0 + 0.25
-1.4375t + t2 = 0 + 0.25

Combine like terms: 0 + 0.25 = 0.25
-1.4375t + t2 = 0.25

The t term is -1.4375t.  Take half its coefficient (-0.71875).
Square it (0.5166015625) and add it to both sides.

Add '0.5166015625' to each side of the equation.
-1.4375t + 0.5166015625 + t2 = 0.25 + 0.5166015625

Reorder the terms:
0.5166015625 + -1.4375t + t2 = 0.25 + 0.5166015625

Combine like terms: 0.25 + 0.5166015625 = 0.7666015625
0.5166015625 + -1.4375t + t2 = 0.7666015625

Factor a perfect square on the left side:
(t + -0.71875)(t + -0.71875) = 0.7666015625

Calculate the square root of the right side: 0.875557858

Break this problem into two subproblems by setting 
(t + -0.71875) equal to 0.875557858 and -0.875557858.

Subproblem 1

t + -0.71875 = 0.875557858 Simplifying t + -0.71875 = 0.875557858 Reorder the terms: -0.71875 + t = 0.875557858 Solving -0.71875 + t = 0.875557858 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '0.71875' to each side of the equation. -0.71875 + 0.71875 + t = 0.875557858 + 0.71875 Combine like terms: -0.71875 + 0.71875 = 0.00000 0.00000 + t = 0.875557858 + 0.71875 t = 0.875557858 + 0.71875 Combine like terms: 0.875557858 + 0.71875 = 1.594307858 t = 1.594307858 Simplifying t = 1.594307858

Subproblem 2

t + -0.71875 = -0.875557858 Simplifying t + -0.71875 = -0.875557858 Reorder the terms: -0.71875 + t = -0.875557858 Solving -0.71875 + t = -0.875557858 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '0.71875' to each side of the equation. -0.71875 + 0.71875 + t = -0.875557858 + 0.71875 Combine like terms: -0.71875 + 0.71875 = 0.00000 0.00000 + t = -0.875557858 + 0.71875 t = -0.875557858 + 0.71875 Combine like terms: -0.875557858 + 0.71875 = -0.156807858 t = -0.156807858 Simplifying t = -0.156807858

Solution

The solution to the problem is based on the solutions from the subproblems. t = {1.594307858, -0.156807858}

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