0.15t^2-43t+1000=0

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Solution for 0.15t^2-43t+1000=0 equation:


Simplifying
0.15t2 + -43t + 1000 = 0

Reorder the terms:
1000 + -43t + 0.15t2 = 0

Solving
1000 + -43t + 0.15t2 = 0

Solving for variable 't'.

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

Divide each side by '0.15'.
6666.666667 + -286.6666667t + t2 = 0

Move the constant term to the right:

Add '-6666.666667' to each side of the equation.
6666.666667 + -286.6666667t + -6666.666667 + t2 = 0 + -6666.666667

Reorder the terms:
6666.666667 + -6666.666667 + -286.6666667t + t2 = 0 + -6666.666667

Combine like terms: 6666.666667 + -6666.666667 = 0.000000
0.000000 + -286.6666667t + t2 = 0 + -6666.666667
-286.6666667t + t2 = 0 + -6666.666667

Combine like terms: 0 + -6666.666667 = -6666.666667
-286.6666667t + t2 = -6666.666667

The t term is -286.6666667t.  Take half its coefficient (-143.3333334).
Square it (20544.44446) and add it to both sides.

Add '20544.44446' to each side of the equation.
-286.6666667t + 20544.44446 + t2 = -6666.666667 + 20544.44446

Reorder the terms:
20544.44446 + -286.6666667t + t2 = -6666.666667 + 20544.44446

Combine like terms: -6666.666667 + 20544.44446 = 13877.777793
20544.44446 + -286.6666667t + t2 = 13877.777793

Factor a perfect square on the left side:
(t + -143.3333334)(t + -143.3333334) = 13877.777793

Calculate the square root of the right side: 117.803980378

Break this problem into two subproblems by setting 
(t + -143.3333334) equal to 117.803980378 and -117.803980378.

Subproblem 1

t + -143.3333334 = 117.803980378 Simplifying t + -143.3333334 = 117.803980378 Reorder the terms: -143.3333334 + t = 117.803980378 Solving -143.3333334 + t = 117.803980378 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '143.3333334' to each side of the equation. -143.3333334 + 143.3333334 + t = 117.803980378 + 143.3333334 Combine like terms: -143.3333334 + 143.3333334 = 0.0000000 0.0000000 + t = 117.803980378 + 143.3333334 t = 117.803980378 + 143.3333334 Combine like terms: 117.803980378 + 143.3333334 = 261.137313778 t = 261.137313778 Simplifying t = 261.137313778

Subproblem 2

t + -143.3333334 = -117.803980378 Simplifying t + -143.3333334 = -117.803980378 Reorder the terms: -143.3333334 + t = -117.803980378 Solving -143.3333334 + t = -117.803980378 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '143.3333334' to each side of the equation. -143.3333334 + 143.3333334 + t = -117.803980378 + 143.3333334 Combine like terms: -143.3333334 + 143.3333334 = 0.0000000 0.0000000 + t = -117.803980378 + 143.3333334 t = -117.803980378 + 143.3333334 Combine like terms: -117.803980378 + 143.3333334 = 25.529353022 t = 25.529353022 Simplifying t = 25.529353022

Solution

The solution to the problem is based on the solutions from the subproblems. t = {261.137313778, 25.529353022}

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