11j-j^2=17

Simple and best practice solution for 11j-j^2=17 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 11j-j^2=17 equation:


Simplifying
11j + -1j2 = 17

Solving
11j + -1j2 = 17

Solving for variable 'j'.

Reorder the terms:
-17 + 11j + -1j2 = 17 + -17

Combine like terms: 17 + -17 = 0
-17 + 11j + -1j2 = 0

Begin completing the square.  Divide all terms by
-1 the coefficient of the squared term: 

Divide each side by '-1'.
17 + -11j + j2 = 0

Move the constant term to the right:

Add '-17' to each side of the equation.
17 + -11j + -17 + j2 = 0 + -17

Reorder the terms:
17 + -17 + -11j + j2 = 0 + -17

Combine like terms: 17 + -17 = 0
0 + -11j + j2 = 0 + -17
-11j + j2 = 0 + -17

Combine like terms: 0 + -17 = -17
-11j + j2 = -17

The j term is -11j.  Take half its coefficient (-5.5).
Square it (30.25) and add it to both sides.

Add '30.25' to each side of the equation.
-11j + 30.25 + j2 = -17 + 30.25

Reorder the terms:
30.25 + -11j + j2 = -17 + 30.25

Combine like terms: -17 + 30.25 = 13.25
30.25 + -11j + j2 = 13.25

Factor a perfect square on the left side:
(j + -5.5)(j + -5.5) = 13.25

Calculate the square root of the right side: 3.640054945

Break this problem into two subproblems by setting 
(j + -5.5) equal to 3.640054945 and -3.640054945.

Subproblem 1

j + -5.5 = 3.640054945 Simplifying j + -5.5 = 3.640054945 Reorder the terms: -5.5 + j = 3.640054945 Solving -5.5 + j = 3.640054945 Solving for variable 'j'. Move all terms containing j to the left, all other terms to the right. Add '5.5' to each side of the equation. -5.5 + 5.5 + j = 3.640054945 + 5.5 Combine like terms: -5.5 + 5.5 = 0.0 0.0 + j = 3.640054945 + 5.5 j = 3.640054945 + 5.5 Combine like terms: 3.640054945 + 5.5 = 9.140054945 j = 9.140054945 Simplifying j = 9.140054945

Subproblem 2

j + -5.5 = -3.640054945 Simplifying j + -5.5 = -3.640054945 Reorder the terms: -5.5 + j = -3.640054945 Solving -5.5 + j = -3.640054945 Solving for variable 'j'. Move all terms containing j to the left, all other terms to the right. Add '5.5' to each side of the equation. -5.5 + 5.5 + j = -3.640054945 + 5.5 Combine like terms: -5.5 + 5.5 = 0.0 0.0 + j = -3.640054945 + 5.5 j = -3.640054945 + 5.5 Combine like terms: -3.640054945 + 5.5 = 1.859945055 j = 1.859945055 Simplifying j = 1.859945055

Solution

The solution to the problem is based on the solutions from the subproblems. j = {9.140054945, 1.859945055}

See similar equations:

| 5y+3=y-61 | | 4(3x+1)=10x-26 | | 1/14=x^2 | | 2sin^2x=cosx | | x+10-2x=2x-10 | | 6d-10=3(2d+1) | | 5/(5/3) | | 5c+11=9(2c-1) | | x^2+y^2+z^2=2x+2y+2z | | 4.8x^2-30x=90 | | 6x+9=11x-16 | | 5c+10-20=5x+5 | | 5/6(x-42)=1/8x-1 | | 4(6x+10)-20=5x+5 | | 6/5=16/x | | 3-4n=21 | | 1/x^2-8=6 | | 11v+6=69 | | 3(2r+4)=7r-5 | | 11+9b=137 | | 6-3(4-3x)= | | 4(x-1)=0.5x-4 | | 2v+12=28 | | 4(x-11)=32 | | 1/6x-3/4x=3-2/3x | | 4x+30=2x+60 | | ((-2x)^2-3x-1)/(x-1) | | 2rx=5rt^4 | | 6x-6=2x-62 | | 25=3+5j | | 2m-3n=-25 | | 3x+4=3+3x+1 |

Equations solver categories