5.71t(12.92-6.71t)=-14.83

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Solution for 5.71t(12.92-6.71t)=-14.83 equation:


Simplifying
5.71t(12.92 + -6.71t) = -14.83
(12.92 * 5.71t + -6.71t * 5.71t) = -14.83
(73.7732t + -38.3141t2) = -14.83

Solving
73.7732t + -38.3141t2 = -14.83

Solving for variable 't'.

Reorder the terms:
14.83 + 73.7732t + -38.3141t2 = -14.83 + 14.83

Combine like terms: -14.83 + 14.83 = 0.00
14.83 + 73.7732t + -38.3141t2 = 0.00

Begin completing the square.  Divide all terms by
-38.3141 the coefficient of the squared term: 

Divide each side by '-38.3141'.
-0.3870637703 + -1.925484352t + t2 = 0

Move the constant term to the right:

Add '0.3870637703' to each side of the equation.
-0.3870637703 + -1.925484352t + 0.3870637703 + t2 = 0 + 0.3870637703

Reorder the terms:
-0.3870637703 + 0.3870637703 + -1.925484352t + t2 = 0 + 0.3870637703

Combine like terms: -0.3870637703 + 0.3870637703 = 0.0000000000
0.0000000000 + -1.925484352t + t2 = 0 + 0.3870637703
-1.925484352t + t2 = 0 + 0.3870637703

Combine like terms: 0 + 0.3870637703 = 0.3870637703
-1.925484352t + t2 = 0.3870637703

The t term is -1.925484352t.  Take half its coefficient (-0.962742176).
Square it (0.9268724974) and add it to both sides.

Add '0.9268724974' to each side of the equation.
-1.925484352t + 0.9268724974 + t2 = 0.3870637703 + 0.9268724974

Reorder the terms:
0.9268724974 + -1.925484352t + t2 = 0.3870637703 + 0.9268724974

Combine like terms: 0.3870637703 + 0.9268724974 = 1.3139362677
0.9268724974 + -1.925484352t + t2 = 1.3139362677

Factor a perfect square on the left side:
(t + -0.962742176)(t + -0.962742176) = 1.3139362677

Calculate the square root of the right side: 1.146270591

Break this problem into two subproblems by setting 
(t + -0.962742176) equal to 1.146270591 and -1.146270591.

Subproblem 1

t + -0.962742176 = 1.146270591 Simplifying t + -0.962742176 = 1.146270591 Reorder the terms: -0.962742176 + t = 1.146270591 Solving -0.962742176 + t = 1.146270591 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '0.962742176' to each side of the equation. -0.962742176 + 0.962742176 + t = 1.146270591 + 0.962742176 Combine like terms: -0.962742176 + 0.962742176 = 0.000000000 0.000000000 + t = 1.146270591 + 0.962742176 t = 1.146270591 + 0.962742176 Combine like terms: 1.146270591 + 0.962742176 = 2.109012767 t = 2.109012767 Simplifying t = 2.109012767

Subproblem 2

t + -0.962742176 = -1.146270591 Simplifying t + -0.962742176 = -1.146270591 Reorder the terms: -0.962742176 + t = -1.146270591 Solving -0.962742176 + t = -1.146270591 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '0.962742176' to each side of the equation. -0.962742176 + 0.962742176 + t = -1.146270591 + 0.962742176 Combine like terms: -0.962742176 + 0.962742176 = 0.000000000 0.000000000 + t = -1.146270591 + 0.962742176 t = -1.146270591 + 0.962742176 Combine like terms: -1.146270591 + 0.962742176 = -0.183528415 t = -0.183528415 Simplifying t = -0.183528415

Solution

The solution to the problem is based on the solutions from the subproblems. t = {2.109012767, -0.183528415}

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