-1.9t^2+26t=26

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Solution for -1.9t^2+26t=26 equation:


Simplifying
-1.9t2 + 26t = 26

Reorder the terms:
26t + -1.9t2 = 26

Solving
26t + -1.9t2 = 26

Solving for variable 't'.

Reorder the terms:
-26 + 26t + -1.9t2 = 26 + -26

Combine like terms: 26 + -26 = 0
-26 + 26t + -1.9t2 = 0

Begin completing the square.  Divide all terms by
-1.9 the coefficient of the squared term: 

Divide each side by '-1.9'.
13.68421053 + -13.68421053t + t2 = 0

Move the constant term to the right:

Add '-13.68421053' to each side of the equation.
13.68421053 + -13.68421053t + -13.68421053 + t2 = 0 + -13.68421053

Reorder the terms:
13.68421053 + -13.68421053 + -13.68421053t + t2 = 0 + -13.68421053

Combine like terms: 13.68421053 + -13.68421053 = 0.00000000
0.00000000 + -13.68421053t + t2 = 0 + -13.68421053
-13.68421053t + t2 = 0 + -13.68421053

Combine like terms: 0 + -13.68421053 = -13.68421053
-13.68421053t + t2 = -13.68421053

The t term is -13.68421053t.  Take half its coefficient (-6.842105265).
Square it (46.81440446) and add it to both sides.

Add '46.81440446' to each side of the equation.
-13.68421053t + 46.81440446 + t2 = -13.68421053 + 46.81440446

Reorder the terms:
46.81440446 + -13.68421053t + t2 = -13.68421053 + 46.81440446

Combine like terms: -13.68421053 + 46.81440446 = 33.13019393
46.81440446 + -13.68421053t + t2 = 33.13019393

Factor a perfect square on the left side:
(t + -6.842105265)(t + -6.842105265) = 33.13019393

Calculate the square root of the right side: 5.755883419

Break this problem into two subproblems by setting 
(t + -6.842105265) equal to 5.755883419 and -5.755883419.

Subproblem 1

t + -6.842105265 = 5.755883419 Simplifying t + -6.842105265 = 5.755883419 Reorder the terms: -6.842105265 + t = 5.755883419 Solving -6.842105265 + t = 5.755883419 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '6.842105265' to each side of the equation. -6.842105265 + 6.842105265 + t = 5.755883419 + 6.842105265 Combine like terms: -6.842105265 + 6.842105265 = 0.000000000 0.000000000 + t = 5.755883419 + 6.842105265 t = 5.755883419 + 6.842105265 Combine like terms: 5.755883419 + 6.842105265 = 12.597988684 t = 12.597988684 Simplifying t = 12.597988684

Subproblem 2

t + -6.842105265 = -5.755883419 Simplifying t + -6.842105265 = -5.755883419 Reorder the terms: -6.842105265 + t = -5.755883419 Solving -6.842105265 + t = -5.755883419 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '6.842105265' to each side of the equation. -6.842105265 + 6.842105265 + t = -5.755883419 + 6.842105265 Combine like terms: -6.842105265 + 6.842105265 = 0.000000000 0.000000000 + t = -5.755883419 + 6.842105265 t = -5.755883419 + 6.842105265 Combine like terms: -5.755883419 + 6.842105265 = 1.086221846 t = 1.086221846 Simplifying t = 1.086221846

Solution

The solution to the problem is based on the solutions from the subproblems. t = {12.597988684, 1.086221846}

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