0=-16t^2+100t+29

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Solution for 0=-16t^2+100t+29 equation:


Simplifying
0 = -16t2 + 100t + 29

Reorder the terms:
0 = 29 + 100t + -16t2

Solving
0 = 29 + 100t + -16t2

Solving for variable 't'.

Combine like terms: 0 + -29 = -29
-29 + -100t + 16t2 = 29 + 100t + -16t2 + -29 + -100t + 16t2

Reorder the terms:
-29 + -100t + 16t2 = 29 + -29 + 100t + -100t + -16t2 + 16t2

Combine like terms: 29 + -29 = 0
-29 + -100t + 16t2 = 0 + 100t + -100t + -16t2 + 16t2
-29 + -100t + 16t2 = 100t + -100t + -16t2 + 16t2

Combine like terms: 100t + -100t = 0
-29 + -100t + 16t2 = 0 + -16t2 + 16t2
-29 + -100t + 16t2 = -16t2 + 16t2

Combine like terms: -16t2 + 16t2 = 0
-29 + -100t + 16t2 = 0

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

Divide each side by '16'.
-1.8125 + -6.25t + t2 = 0

Move the constant term to the right:

Add '1.8125' to each side of the equation.
-1.8125 + -6.25t + 1.8125 + t2 = 0 + 1.8125

Reorder the terms:
-1.8125 + 1.8125 + -6.25t + t2 = 0 + 1.8125

Combine like terms: -1.8125 + 1.8125 = 0.0000
0.0000 + -6.25t + t2 = 0 + 1.8125
-6.25t + t2 = 0 + 1.8125

Combine like terms: 0 + 1.8125 = 1.8125
-6.25t + t2 = 1.8125

The t term is -6.25t.  Take half its coefficient (-3.125).
Square it (9.765625) and add it to both sides.

Add '9.765625' to each side of the equation.
-6.25t + 9.765625 + t2 = 1.8125 + 9.765625

Reorder the terms:
9.765625 + -6.25t + t2 = 1.8125 + 9.765625

Combine like terms: 1.8125 + 9.765625 = 11.578125
9.765625 + -6.25t + t2 = 11.578125

Factor a perfect square on the left side:
(t + -3.125)(t + -3.125) = 11.578125

Calculate the square root of the right side: 3.402664397

Break this problem into two subproblems by setting 
(t + -3.125) equal to 3.402664397 and -3.402664397.

Subproblem 1

t + -3.125 = 3.402664397 Simplifying t + -3.125 = 3.402664397 Reorder the terms: -3.125 + t = 3.402664397 Solving -3.125 + t = 3.402664397 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '3.125' to each side of the equation. -3.125 + 3.125 + t = 3.402664397 + 3.125 Combine like terms: -3.125 + 3.125 = 0.000 0.000 + t = 3.402664397 + 3.125 t = 3.402664397 + 3.125 Combine like terms: 3.402664397 + 3.125 = 6.527664397 t = 6.527664397 Simplifying t = 6.527664397

Subproblem 2

t + -3.125 = -3.402664397 Simplifying t + -3.125 = -3.402664397 Reorder the terms: -3.125 + t = -3.402664397 Solving -3.125 + t = -3.402664397 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '3.125' to each side of the equation. -3.125 + 3.125 + t = -3.402664397 + 3.125 Combine like terms: -3.125 + 3.125 = 0.000 0.000 + t = -3.402664397 + 3.125 t = -3.402664397 + 3.125 Combine like terms: -3.402664397 + 3.125 = -0.277664397 t = -0.277664397 Simplifying t = -0.277664397

Solution

The solution to the problem is based on the solutions from the subproblems. t = {6.527664397, -0.277664397}

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