t^2-40t-1950=0

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Solution for t^2-40t-1950=0 equation:


Simplifying
t2 + -40t + -1950 = 0

Reorder the terms:
-1950 + -40t + t2 = 0

Solving
-1950 + -40t + t2 = 0

Solving for variable 't'.

Begin completing the square.

Move the constant term to the right:

Add '1950' to each side of the equation.
-1950 + -40t + 1950 + t2 = 0 + 1950

Reorder the terms:
-1950 + 1950 + -40t + t2 = 0 + 1950

Combine like terms: -1950 + 1950 = 0
0 + -40t + t2 = 0 + 1950
-40t + t2 = 0 + 1950

Combine like terms: 0 + 1950 = 1950
-40t + t2 = 1950

The t term is -40t.  Take half its coefficient (-20).
Square it (400) and add it to both sides.

Add '400' to each side of the equation.
-40t + 400 + t2 = 1950 + 400

Reorder the terms:
400 + -40t + t2 = 1950 + 400

Combine like terms: 1950 + 400 = 2350
400 + -40t + t2 = 2350

Factor a perfect square on the left side:
(t + -20)(t + -20) = 2350

Calculate the square root of the right side: 48.476798574

Break this problem into two subproblems by setting 
(t + -20) equal to 48.476798574 and -48.476798574.

Subproblem 1

t + -20 = 48.476798574 Simplifying t + -20 = 48.476798574 Reorder the terms: -20 + t = 48.476798574 Solving -20 + t = 48.476798574 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '20' to each side of the equation. -20 + 20 + t = 48.476798574 + 20 Combine like terms: -20 + 20 = 0 0 + t = 48.476798574 + 20 t = 48.476798574 + 20 Combine like terms: 48.476798574 + 20 = 68.476798574 t = 68.476798574 Simplifying t = 68.476798574

Subproblem 2

t + -20 = -48.476798574 Simplifying t + -20 = -48.476798574 Reorder the terms: -20 + t = -48.476798574 Solving -20 + t = -48.476798574 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '20' to each side of the equation. -20 + 20 + t = -48.476798574 + 20 Combine like terms: -20 + 20 = 0 0 + t = -48.476798574 + 20 t = -48.476798574 + 20 Combine like terms: -48.476798574 + 20 = -28.476798574 t = -28.476798574 Simplifying t = -28.476798574

Solution

The solution to the problem is based on the solutions from the subproblems. t = {68.476798574, -28.476798574}

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