5t^2+32t-160=0

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Solution for 5t^2+32t-160=0 equation:


Simplifying
5t2 + 32t + -160 = 0

Reorder the terms:
-160 + 32t + 5t2 = 0

Solving
-160 + 32t + 5t2 = 0

Solving for variable 't'.

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

Divide each side by '5'.
-32 + 6.4t + t2 = 0

Move the constant term to the right:

Add '32' to each side of the equation.
-32 + 6.4t + 32 + t2 = 0 + 32

Reorder the terms:
-32 + 32 + 6.4t + t2 = 0 + 32

Combine like terms: -32 + 32 = 0
0 + 6.4t + t2 = 0 + 32
6.4t + t2 = 0 + 32

Combine like terms: 0 + 32 = 32
6.4t + t2 = 32

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 = 32 + 10.24

Reorder the terms:
10.24 + 6.4t + t2 = 32 + 10.24

Combine like terms: 32 + 10.24 = 42.24
10.24 + 6.4t + t2 = 42.24

Factor a perfect square on the left side:
(t + 3.2)(t + 3.2) = 42.24

Calculate the square root of the right side: 6.499230724

Break this problem into two subproblems by setting 
(t + 3.2) equal to 6.499230724 and -6.499230724.

Subproblem 1

t + 3.2 = 6.499230724 Simplifying t + 3.2 = 6.499230724 Reorder the terms: 3.2 + t = 6.499230724 Solving 3.2 + t = 6.499230724 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 = 6.499230724 + -3.2 Combine like terms: 3.2 + -3.2 = 0.0 0.0 + t = 6.499230724 + -3.2 t = 6.499230724 + -3.2 Combine like terms: 6.499230724 + -3.2 = 3.299230724 t = 3.299230724 Simplifying t = 3.299230724

Subproblem 2

t + 3.2 = -6.499230724 Simplifying t + 3.2 = -6.499230724 Reorder the terms: 3.2 + t = -6.499230724 Solving 3.2 + t = -6.499230724 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 = -6.499230724 + -3.2 Combine like terms: 3.2 + -3.2 = 0.0 0.0 + t = -6.499230724 + -3.2 t = -6.499230724 + -3.2 Combine like terms: -6.499230724 + -3.2 = -9.699230724 t = -9.699230724 Simplifying t = -9.699230724

Solution

The solution to the problem is based on the solutions from the subproblems. t = {3.299230724, -9.699230724}

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