t^2+-30t-26=0

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Solution for t^2+-30t-26=0 equation:


Simplifying
t2 + -30t + -26 = 0

Reorder the terms:
-26 + -30t + t2 = 0

Solving
-26 + -30t + t2 = 0

Solving for variable 't'.

Begin completing the square.

Move the constant term to the right:

Add '26' to each side of the equation.
-26 + -30t + 26 + t2 = 0 + 26

Reorder the terms:
-26 + 26 + -30t + t2 = 0 + 26

Combine like terms: -26 + 26 = 0
0 + -30t + t2 = 0 + 26
-30t + t2 = 0 + 26

Combine like terms: 0 + 26 = 26
-30t + t2 = 26

The t term is -30t.  Take half its coefficient (-15).
Square it (225) and add it to both sides.

Add '225' to each side of the equation.
-30t + 225 + t2 = 26 + 225

Reorder the terms:
225 + -30t + t2 = 26 + 225

Combine like terms: 26 + 225 = 251
225 + -30t + t2 = 251

Factor a perfect square on the left side:
(t + -15)(t + -15) = 251

Calculate the square root of the right side: 15.842979518

Break this problem into two subproblems by setting 
(t + -15) equal to 15.842979518 and -15.842979518.

Subproblem 1

t + -15 = 15.842979518 Simplifying t + -15 = 15.842979518 Reorder the terms: -15 + t = 15.842979518 Solving -15 + t = 15.842979518 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '15' to each side of the equation. -15 + 15 + t = 15.842979518 + 15 Combine like terms: -15 + 15 = 0 0 + t = 15.842979518 + 15 t = 15.842979518 + 15 Combine like terms: 15.842979518 + 15 = 30.842979518 t = 30.842979518 Simplifying t = 30.842979518

Subproblem 2

t + -15 = -15.842979518 Simplifying t + -15 = -15.842979518 Reorder the terms: -15 + t = -15.842979518 Solving -15 + t = -15.842979518 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '15' to each side of the equation. -15 + 15 + t = -15.842979518 + 15 Combine like terms: -15 + 15 = 0 0 + t = -15.842979518 + 15 t = -15.842979518 + 15 Combine like terms: -15.842979518 + 15 = -0.842979518 t = -0.842979518 Simplifying t = -0.842979518

Solution

The solution to the problem is based on the solutions from the subproblems. t = {30.842979518, -0.842979518}

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