0=-16t^2+160t+3

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Solution for 0=-16t^2+160t+3 equation:


Simplifying
0 = -16t2 + 160t + 3

Reorder the terms:
0 = 3 + 160t + -16t2

Solving
0 = 3 + 160t + -16t2

Solving for variable 't'.

Combine like terms: 0 + -3 = -3
-3 + -160t + 16t2 = 3 + 160t + -16t2 + -3 + -160t + 16t2

Reorder the terms:
-3 + -160t + 16t2 = 3 + -3 + 160t + -160t + -16t2 + 16t2

Combine like terms: 3 + -3 = 0
-3 + -160t + 16t2 = 0 + 160t + -160t + -16t2 + 16t2
-3 + -160t + 16t2 = 160t + -160t + -16t2 + 16t2

Combine like terms: 160t + -160t = 0
-3 + -160t + 16t2 = 0 + -16t2 + 16t2
-3 + -160t + 16t2 = -16t2 + 16t2

Combine like terms: -16t2 + 16t2 = 0
-3 + -160t + 16t2 = 0

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

Divide each side by '16'.
-0.1875 + -10t + t2 = 0

Move the constant term to the right:

Add '0.1875' to each side of the equation.
-0.1875 + -10t + 0.1875 + t2 = 0 + 0.1875

Reorder the terms:
-0.1875 + 0.1875 + -10t + t2 = 0 + 0.1875

Combine like terms: -0.1875 + 0.1875 = 0.0000
0.0000 + -10t + t2 = 0 + 0.1875
-10t + t2 = 0 + 0.1875

Combine like terms: 0 + 0.1875 = 0.1875
-10t + t2 = 0.1875

The t term is -10t.  Take half its coefficient (-5).
Square it (25) and add it to both sides.

Add '25' to each side of the equation.
-10t + 25 + t2 = 0.1875 + 25

Reorder the terms:
25 + -10t + t2 = 0.1875 + 25

Combine like terms: 0.1875 + 25 = 25.1875
25 + -10t + t2 = 25.1875

Factor a perfect square on the left side:
(t + -5)(t + -5) = 25.1875

Calculate the square root of the right side: 5.018714975

Break this problem into two subproblems by setting 
(t + -5) equal to 5.018714975 and -5.018714975.

Subproblem 1

t + -5 = 5.018714975 Simplifying t + -5 = 5.018714975 Reorder the terms: -5 + t = 5.018714975 Solving -5 + t = 5.018714975 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + t = 5.018714975 + 5 Combine like terms: -5 + 5 = 0 0 + t = 5.018714975 + 5 t = 5.018714975 + 5 Combine like terms: 5.018714975 + 5 = 10.018714975 t = 10.018714975 Simplifying t = 10.018714975

Subproblem 2

t + -5 = -5.018714975 Simplifying t + -5 = -5.018714975 Reorder the terms: -5 + t = -5.018714975 Solving -5 + t = -5.018714975 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + t = -5.018714975 + 5 Combine like terms: -5 + 5 = 0 0 + t = -5.018714975 + 5 t = -5.018714975 + 5 Combine like terms: -5.018714975 + 5 = -0.018714975 t = -0.018714975 Simplifying t = -0.018714975

Solution

The solution to the problem is based on the solutions from the subproblems. t = {10.018714975, -0.018714975}

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