8t^2-75t-32=0

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Solution for 8t^2-75t-32=0 equation:


Simplifying
8t2 + -75t + -32 = 0

Reorder the terms:
-32 + -75t + 8t2 = 0

Solving
-32 + -75t + 8t2 = 0

Solving for variable 't'.

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

Divide each side by '8'.
-4 + -9.375t + t2 = 0

Move the constant term to the right:

Add '4' to each side of the equation.
-4 + -9.375t + 4 + t2 = 0 + 4

Reorder the terms:
-4 + 4 + -9.375t + t2 = 0 + 4

Combine like terms: -4 + 4 = 0
0 + -9.375t + t2 = 0 + 4
-9.375t + t2 = 0 + 4

Combine like terms: 0 + 4 = 4
-9.375t + t2 = 4

The t term is -9.375t.  Take half its coefficient (-4.6875).
Square it (21.97265625) and add it to both sides.

Add '21.97265625' to each side of the equation.
-9.375t + 21.97265625 + t2 = 4 + 21.97265625

Reorder the terms:
21.97265625 + -9.375t + t2 = 4 + 21.97265625

Combine like terms: 4 + 21.97265625 = 25.97265625
21.97265625 + -9.375t + t2 = 25.97265625

Factor a perfect square on the left side:
(t + -4.6875)(t + -4.6875) = 25.97265625

Calculate the square root of the right side: 5.096337533

Break this problem into two subproblems by setting 
(t + -4.6875) equal to 5.096337533 and -5.096337533.

Subproblem 1

t + -4.6875 = 5.096337533 Simplifying t + -4.6875 = 5.096337533 Reorder the terms: -4.6875 + t = 5.096337533 Solving -4.6875 + t = 5.096337533 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '4.6875' to each side of the equation. -4.6875 + 4.6875 + t = 5.096337533 + 4.6875 Combine like terms: -4.6875 + 4.6875 = 0.0000 0.0000 + t = 5.096337533 + 4.6875 t = 5.096337533 + 4.6875 Combine like terms: 5.096337533 + 4.6875 = 9.783837533 t = 9.783837533 Simplifying t = 9.783837533

Subproblem 2

t + -4.6875 = -5.096337533 Simplifying t + -4.6875 = -5.096337533 Reorder the terms: -4.6875 + t = -5.096337533 Solving -4.6875 + t = -5.096337533 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '4.6875' to each side of the equation. -4.6875 + 4.6875 + t = -5.096337533 + 4.6875 Combine like terms: -4.6875 + 4.6875 = 0.0000 0.0000 + t = -5.096337533 + 4.6875 t = -5.096337533 + 4.6875 Combine like terms: -5.096337533 + 4.6875 = -0.408837533 t = -0.408837533 Simplifying t = -0.408837533

Solution

The solution to the problem is based on the solutions from the subproblems. t = {9.783837533, -0.408837533}

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