j^2-6j-17=0

Simple and best practice solution for j^2-6j-17=0 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 j^2-6j-17=0 equation:


Simplifying
j2 + -6j + -17 = 0

Reorder the terms:
-17 + -6j + j2 = 0

Solving
-17 + -6j + j2 = 0

Solving for variable 'j'.

Begin completing the square.

Move the constant term to the right:

Add '17' to each side of the equation.
-17 + -6j + 17 + j2 = 0 + 17

Reorder the terms:
-17 + 17 + -6j + j2 = 0 + 17

Combine like terms: -17 + 17 = 0
0 + -6j + j2 = 0 + 17
-6j + j2 = 0 + 17

Combine like terms: 0 + 17 = 17
-6j + j2 = 17

The j term is -6j.  Take half its coefficient (-3).
Square it (9) and add it to both sides.

Add '9' to each side of the equation.
-6j + 9 + j2 = 17 + 9

Reorder the terms:
9 + -6j + j2 = 17 + 9

Combine like terms: 17 + 9 = 26
9 + -6j + j2 = 26

Factor a perfect square on the left side:
(j + -3)(j + -3) = 26

Calculate the square root of the right side: 5.099019514

Break this problem into two subproblems by setting 
(j + -3) equal to 5.099019514 and -5.099019514.

Subproblem 1

j + -3 = 5.099019514 Simplifying j + -3 = 5.099019514 Reorder the terms: -3 + j = 5.099019514 Solving -3 + j = 5.099019514 Solving for variable 'j'. Move all terms containing j to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + j = 5.099019514 + 3 Combine like terms: -3 + 3 = 0 0 + j = 5.099019514 + 3 j = 5.099019514 + 3 Combine like terms: 5.099019514 + 3 = 8.099019514 j = 8.099019514 Simplifying j = 8.099019514

Subproblem 2

j + -3 = -5.099019514 Simplifying j + -3 = -5.099019514 Reorder the terms: -3 + j = -5.099019514 Solving -3 + j = -5.099019514 Solving for variable 'j'. Move all terms containing j to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + j = -5.099019514 + 3 Combine like terms: -3 + 3 = 0 0 + j = -5.099019514 + 3 j = -5.099019514 + 3 Combine like terms: -5.099019514 + 3 = -2.099019514 j = -2.099019514 Simplifying j = -2.099019514

Solution

The solution to the problem is based on the solutions from the subproblems. j = {8.099019514, -2.099019514}

See similar equations:

| j^2+2j-(15)=0 | | 6+3h=12 | | 4+2x+3x+1=180 | | 18-9v= | | 2x+7=136 | | f(x)=2x^3-3x^2-36x+25 | | n^2-(16n)+15=0 | | 4(1)-3y=18 | | 4q^2-56q=36 | | -2.04x=18.78 | | 4(0)-3y=18 | | 7a-3=13 | | 11x+18=51 | | p^2-(48p)=0 | | 3k-1=9k+2 | | g^2+26g+45=0 | | -15x-19=-19 | | y^2-14y-39=0 | | 2x-60=10-3x | | X-27=52 | | x+34=98 | | (4+5x)(x+2)=180 | | z^2+48z=0 | | -3.31x=8.99 | | h=-16t^2+48+192 | | j^2-8j=-11 | | 10000000000000000000000000000000000+80000000000000000+k=10000000000000000000000000000000000000000000000 | | p+6=21 | | w^2+4w-31=0 | | 5/6(x)=1/3 | | (6x+4)+32=180 | | 3/4x3/4x3/5 |

Equations solver categories