10=32t-5t^2

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Solution for 10=32t-5t^2 equation:


Simplifying
10 = 32t + -5t2

Solving
10 = 32t + -5t2

Solving for variable 't'.

Reorder the terms:
10 + -32t + 5t2 = 32t + -32t + -5t2 + 5t2

Combine like terms: 32t + -32t = 0
10 + -32t + 5t2 = 0 + -5t2 + 5t2
10 + -32t + 5t2 = -5t2 + 5t2

Combine like terms: -5t2 + 5t2 = 0
10 + -32t + 5t2 = 0

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

Divide each side by '5'.
2 + -6.4t + t2 = 0

Move the constant term to the right:

Add '-2' to each side of the equation.
2 + -6.4t + -2 + t2 = 0 + -2

Reorder the terms:
2 + -2 + -6.4t + t2 = 0 + -2

Combine like terms: 2 + -2 = 0
0 + -6.4t + t2 = 0 + -2
-6.4t + t2 = 0 + -2

Combine like terms: 0 + -2 = -2
-6.4t + t2 = -2

The t term is -6.4t.  Take half its coefficient (-3.2).
Square it (10.24) and add it to both sides.

Add '10.24' to each side of the equation.
-6.4t + 10.24 + t2 = -2 + 10.24

Reorder the terms:
10.24 + -6.4t + t2 = -2 + 10.24

Combine like terms: -2 + 10.24 = 8.24
10.24 + -6.4t + t2 = 8.24

Factor a perfect square on the left side:
(t + -3.2)(t + -3.2) = 8.24

Calculate the square root of the right side: 2.870540019

Break this problem into two subproblems by setting 
(t + -3.2) equal to 2.870540019 and -2.870540019.

Subproblem 1

t + -3.2 = 2.870540019 Simplifying t + -3.2 = 2.870540019 Reorder the terms: -3.2 + t = 2.870540019 Solving -3.2 + t = 2.870540019 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '3.2' to each side of the equation. -3.2 + 3.2 + t = 2.870540019 + 3.2 Combine like terms: -3.2 + 3.2 = 0.0 0.0 + t = 2.870540019 + 3.2 t = 2.870540019 + 3.2 Combine like terms: 2.870540019 + 3.2 = 6.070540019 t = 6.070540019 Simplifying t = 6.070540019

Subproblem 2

t + -3.2 = -2.870540019 Simplifying t + -3.2 = -2.870540019 Reorder the terms: -3.2 + t = -2.870540019 Solving -3.2 + t = -2.870540019 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '3.2' to each side of the equation. -3.2 + 3.2 + t = -2.870540019 + 3.2 Combine like terms: -3.2 + 3.2 = 0.0 0.0 + t = -2.870540019 + 3.2 t = -2.870540019 + 3.2 Combine like terms: -2.870540019 + 3.2 = 0.329459981 t = 0.329459981 Simplifying t = 0.329459981

Solution

The solution to the problem is based on the solutions from the subproblems. t = {6.070540019, 0.329459981}

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