0=-16t^2+235t-151

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Solution for 0=-16t^2+235t-151 equation:


Simplifying
0 = -16t2 + 235t + -151

Reorder the terms:
0 = -151 + 235t + -16t2

Solving
0 = -151 + 235t + -16t2

Solving for variable 't'.

Combine like terms: 0 + 151 = 151
151 + -235t + 16t2 = -151 + 235t + -16t2 + 151 + -235t + 16t2

Reorder the terms:
151 + -235t + 16t2 = -151 + 151 + 235t + -235t + -16t2 + 16t2

Combine like terms: -151 + 151 = 0
151 + -235t + 16t2 = 0 + 235t + -235t + -16t2 + 16t2
151 + -235t + 16t2 = 235t + -235t + -16t2 + 16t2

Combine like terms: 235t + -235t = 0
151 + -235t + 16t2 = 0 + -16t2 + 16t2
151 + -235t + 16t2 = -16t2 + 16t2

Combine like terms: -16t2 + 16t2 = 0
151 + -235t + 16t2 = 0

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

Divide each side by '16'.
9.4375 + -14.6875t + t2 = 0

Move the constant term to the right:

Add '-9.4375' to each side of the equation.
9.4375 + -14.6875t + -9.4375 + t2 = 0 + -9.4375

Reorder the terms:
9.4375 + -9.4375 + -14.6875t + t2 = 0 + -9.4375

Combine like terms: 9.4375 + -9.4375 = 0.0000
0.0000 + -14.6875t + t2 = 0 + -9.4375
-14.6875t + t2 = 0 + -9.4375

Combine like terms: 0 + -9.4375 = -9.4375
-14.6875t + t2 = -9.4375

The t term is -14.6875t.  Take half its coefficient (-7.34375).
Square it (53.93066406) and add it to both sides.

Add '53.93066406' to each side of the equation.
-14.6875t + 53.93066406 + t2 = -9.4375 + 53.93066406

Reorder the terms:
53.93066406 + -14.6875t + t2 = -9.4375 + 53.93066406

Combine like terms: -9.4375 + 53.93066406 = 44.49316406
53.93066406 + -14.6875t + t2 = 44.49316406

Factor a perfect square on the left side:
(t + -7.34375)(t + -7.34375) = 44.49316406

Calculate the square root of the right side: 6.670319637

Break this problem into two subproblems by setting 
(t + -7.34375) equal to 6.670319637 and -6.670319637.

Subproblem 1

t + -7.34375 = 6.670319637 Simplifying t + -7.34375 = 6.670319637 Reorder the terms: -7.34375 + t = 6.670319637 Solving -7.34375 + t = 6.670319637 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '7.34375' to each side of the equation. -7.34375 + 7.34375 + t = 6.670319637 + 7.34375 Combine like terms: -7.34375 + 7.34375 = 0.00000 0.00000 + t = 6.670319637 + 7.34375 t = 6.670319637 + 7.34375 Combine like terms: 6.670319637 + 7.34375 = 14.014069637 t = 14.014069637 Simplifying t = 14.014069637

Subproblem 2

t + -7.34375 = -6.670319637 Simplifying t + -7.34375 = -6.670319637 Reorder the terms: -7.34375 + t = -6.670319637 Solving -7.34375 + t = -6.670319637 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '7.34375' to each side of the equation. -7.34375 + 7.34375 + t = -6.670319637 + 7.34375 Combine like terms: -7.34375 + 7.34375 = 0.00000 0.00000 + t = -6.670319637 + 7.34375 t = -6.670319637 + 7.34375 Combine like terms: -6.670319637 + 7.34375 = 0.673430363 t = 0.673430363 Simplifying t = 0.673430363

Solution

The solution to the problem is based on the solutions from the subproblems. t = {14.014069637, 0.673430363}

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