t^2-2t-3=1

Simple and best practice solution for t^2-2t-3=1 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for t^2-2t-3=1 equation:


Simplifying
t2 + -2t + -3 = 1

Reorder the terms:
-3 + -2t + t2 = 1

Solving
-3 + -2t + t2 = 1

Solving for variable 't'.

Reorder the terms:
-3 + -1 + -2t + t2 = 1 + -1

Combine like terms: -3 + -1 = -4
-4 + -2t + t2 = 1 + -1

Combine like terms: 1 + -1 = 0
-4 + -2t + t2 = 0

Begin completing the square.

Move the constant term to the right:

Add '4' to each side of the equation.
-4 + -2t + 4 + t2 = 0 + 4

Reorder the terms:
-4 + 4 + -2t + t2 = 0 + 4

Combine like terms: -4 + 4 = 0
0 + -2t + t2 = 0 + 4
-2t + t2 = 0 + 4

Combine like terms: 0 + 4 = 4
-2t + t2 = 4

The t term is -2t.  Take half its coefficient (-1).
Square it (1) and add it to both sides.

Add '1' to each side of the equation.
-2t + 1 + t2 = 4 + 1

Reorder the terms:
1 + -2t + t2 = 4 + 1

Combine like terms: 4 + 1 = 5
1 + -2t + t2 = 5

Factor a perfect square on the left side:
(t + -1)(t + -1) = 5

Calculate the square root of the right side: 2.236067978

Break this problem into two subproblems by setting 
(t + -1) equal to 2.236067978 and -2.236067978.

Subproblem 1

t + -1 = 2.236067978 Simplifying t + -1 = 2.236067978 Reorder the terms: -1 + t = 2.236067978 Solving -1 + t = 2.236067978 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + t = 2.236067978 + 1 Combine like terms: -1 + 1 = 0 0 + t = 2.236067978 + 1 t = 2.236067978 + 1 Combine like terms: 2.236067978 + 1 = 3.236067978 t = 3.236067978 Simplifying t = 3.236067978

Subproblem 2

t + -1 = -2.236067978 Simplifying t + -1 = -2.236067978 Reorder the terms: -1 + t = -2.236067978 Solving -1 + t = -2.236067978 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + t = -2.236067978 + 1 Combine like terms: -1 + 1 = 0 0 + t = -2.236067978 + 1 t = -2.236067978 + 1 Combine like terms: -2.236067978 + 1 = -1.236067978 t = -1.236067978 Simplifying t = -1.236067978

Solution

The solution to the problem is based on the solutions from the subproblems. t = {3.236067978, -1.236067978}

See similar equations:

| 4x+13=7(x-2)+12 | | -14+19=m-2 | | -14+19= | | -413.4=-15.9m | | 13x-9=-5-8 | | 6w=-40+10w | | 5n-35= | | x(2x+7)3x+1= | | (-11y)(-y)= | | 18-6x=25 | | a^2+25=0 | | 2x+1+x-4+4x+1= | | 20+4.4x=-4.4 | | 20+4.25x=-4.25 | | (x+4)(x)=117 | | 2(x+7)-2= | | 9.47=x-6.52 | | 0.2(10+5b)+3b=-2 | | -8(t+3)=0 | | s^2-s=3s+21 | | 2x(3x^2-6x+1)= | | 4=4v-0.5(v+4) | | 7=3n+1 | | x^4-8x^2-4=0 | | 71.97=x+37.52 | | 6x^3-12x^2+2x= | | 2(9n+1)+7(n+6)=60 | | 2(9n+1)+7(n+6)=60 | | 29=-51+4 | | 7x+17x-6=6(4x+2) | | 5(x-3)-35= | | (7p+2)(p-3)=0 |

Equations solver categories