10t-t^2=6

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Solution for 10t-t^2=6 equation:


Simplifying
10t + -1t2 = 6

Solving
10t + -1t2 = 6

Solving for variable 't'.

Reorder the terms:
-6 + 10t + -1t2 = 6 + -6

Combine like terms: 6 + -6 = 0
-6 + 10t + -1t2 = 0

Begin completing the square.  Divide all terms by
-1 the coefficient of the squared term: 

Divide each side by '-1'.
6 + -10t + t2 = 0

Move the constant term to the right:

Add '-6' to each side of the equation.
6 + -10t + -6 + t2 = 0 + -6

Reorder the terms:
6 + -6 + -10t + t2 = 0 + -6

Combine like terms: 6 + -6 = 0
0 + -10t + t2 = 0 + -6
-10t + t2 = 0 + -6

Combine like terms: 0 + -6 = -6
-10t + t2 = -6

The t term is -10t.  Take half its coefficient (-5).
Square it (25) and add it to both sides.

Add '25' to each side of the equation.
-10t + 25 + t2 = -6 + 25

Reorder the terms:
25 + -10t + t2 = -6 + 25

Combine like terms: -6 + 25 = 19
25 + -10t + t2 = 19

Factor a perfect square on the left side:
(t + -5)(t + -5) = 19

Calculate the square root of the right side: 4.358898944

Break this problem into two subproblems by setting 
(t + -5) equal to 4.358898944 and -4.358898944.

Subproblem 1

t + -5 = 4.358898944 Simplifying t + -5 = 4.358898944 Reorder the terms: -5 + t = 4.358898944 Solving -5 + t = 4.358898944 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + t = 4.358898944 + 5 Combine like terms: -5 + 5 = 0 0 + t = 4.358898944 + 5 t = 4.358898944 + 5 Combine like terms: 4.358898944 + 5 = 9.358898944 t = 9.358898944 Simplifying t = 9.358898944

Subproblem 2

t + -5 = -4.358898944 Simplifying t + -5 = -4.358898944 Reorder the terms: -5 + t = -4.358898944 Solving -5 + t = -4.358898944 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + t = -4.358898944 + 5 Combine like terms: -5 + 5 = 0 0 + t = -4.358898944 + 5 t = -4.358898944 + 5 Combine like terms: -4.358898944 + 5 = 0.641101056 t = 0.641101056 Simplifying t = 0.641101056

Solution

The solution to the problem is based on the solutions from the subproblems. t = {9.358898944, 0.641101056}

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