j^2-19j+38=

Simple and best practice solution for j^2-19j+38= 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^2-19j+38= equation:


Simplifying
j2 + -19j + 38 = 0

Reorder the terms:
38 + -19j + j2 = 0

Solving
38 + -19j + j2 = 0

Solving for variable 'j'.

Begin completing the square.

Move the constant term to the right:

Add '-38' to each side of the equation.
38 + -19j + -38 + j2 = 0 + -38

Reorder the terms:
38 + -38 + -19j + j2 = 0 + -38

Combine like terms: 38 + -38 = 0
0 + -19j + j2 = 0 + -38
-19j + j2 = 0 + -38

Combine like terms: 0 + -38 = -38
-19j + j2 = -38

The j term is -19j.  Take half its coefficient (-9.5).
Square it (90.25) and add it to both sides.

Add '90.25' to each side of the equation.
-19j + 90.25 + j2 = -38 + 90.25

Reorder the terms:
90.25 + -19j + j2 = -38 + 90.25

Combine like terms: -38 + 90.25 = 52.25
90.25 + -19j + j2 = 52.25

Factor a perfect square on the left side:
(j + -9.5)(j + -9.5) = 52.25

Calculate the square root of the right side: 7.228416147

Break this problem into two subproblems by setting 
(j + -9.5) equal to 7.228416147 and -7.228416147.

Subproblem 1

j + -9.5 = 7.228416147 Simplifying j + -9.5 = 7.228416147 Reorder the terms: -9.5 + j = 7.228416147 Solving -9.5 + j = 7.228416147 Solving for variable 'j'. Move all terms containing j to the left, all other terms to the right. Add '9.5' to each side of the equation. -9.5 + 9.5 + j = 7.228416147 + 9.5 Combine like terms: -9.5 + 9.5 = 0.0 0.0 + j = 7.228416147 + 9.5 j = 7.228416147 + 9.5 Combine like terms: 7.228416147 + 9.5 = 16.728416147 j = 16.728416147 Simplifying j = 16.728416147

Subproblem 2

j + -9.5 = -7.228416147 Simplifying j + -9.5 = -7.228416147 Reorder the terms: -9.5 + j = -7.228416147 Solving -9.5 + j = -7.228416147 Solving for variable 'j'. Move all terms containing j to the left, all other terms to the right. Add '9.5' to each side of the equation. -9.5 + 9.5 + j = -7.228416147 + 9.5 Combine like terms: -9.5 + 9.5 = 0.0 0.0 + j = -7.228416147 + 9.5 j = -7.228416147 + 9.5 Combine like terms: -7.228416147 + 9.5 = 2.271583853 j = 2.271583853 Simplifying j = 2.271583853

Solution

The solution to the problem is based on the solutions from the subproblems. j = {16.728416147, 2.271583853}

See similar equations:

| j^2-19y+38= | | 8(2w-2)=7(3w+5) | | 20c+19=739 | | b^2+35b+96= | | 2x-7=0.33333333x-2 | | k^2+11k+24= | | 2x-7=.3-2 | | 23-3h=20 | | 3x-10=-3x+26 | | 3x^2+10=25 | | 11x+16=4x+51 | | -2x+21=11 | | 6+9u=96 | | 2x+21=4x+11 | | 24-2p=4 | | 20-2u=10 | | 9x^2-9y=144 | | 17-2y=5 | | 18-4h=6 | | (x^2-4x+4)*(x-3)=12x-24 | | 64x^3-32x^2+1=0 | | 0=x^3-7x^2+4x+12 | | -4x-13=-3x-6 | | 14=20-r | | 10x-x^2+200=0 | | x^2+9x-10=-24 | | 10x-x^2+600=0 | | -17cosx=0 | | 5x-1+x=2x+11 | | 5-2(1+3(-4))=27 | | x/2=3/5 | | 14-3G=2 |

Equations solver categories