x^2+169x+26=19

Simple and best practice solution for x^2+169x+26=19 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 x^2+169x+26=19 equation:


Simplifying
x2 + 169x + 26 = 19

Reorder the terms:
26 + 169x + x2 = 19

Solving
26 + 169x + x2 = 19

Solving for variable 'x'.

Reorder the terms:
26 + -19 + 169x + x2 = 19 + -19

Combine like terms: 26 + -19 = 7
7 + 169x + x2 = 19 + -19

Combine like terms: 19 + -19 = 0
7 + 169x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-7' to each side of the equation.
7 + 169x + -7 + x2 = 0 + -7

Reorder the terms:
7 + -7 + 169x + x2 = 0 + -7

Combine like terms: 7 + -7 = 0
0 + 169x + x2 = 0 + -7
169x + x2 = 0 + -7

Combine like terms: 0 + -7 = -7
169x + x2 = -7

The x term is 169x.  Take half its coefficient (84.5).
Square it (7140.25) and add it to both sides.

Add '7140.25' to each side of the equation.
169x + 7140.25 + x2 = -7 + 7140.25

Reorder the terms:
7140.25 + 169x + x2 = -7 + 7140.25

Combine like terms: -7 + 7140.25 = 7133.25
7140.25 + 169x + x2 = 7133.25

Factor a perfect square on the left side:
(x + 84.5)(x + 84.5) = 7133.25

Calculate the square root of the right side: 84.458569725

Break this problem into two subproblems by setting 
(x + 84.5) equal to 84.458569725 and -84.458569725.

Subproblem 1

x + 84.5 = 84.458569725 Simplifying x + 84.5 = 84.458569725 Reorder the terms: 84.5 + x = 84.458569725 Solving 84.5 + x = 84.458569725 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-84.5' to each side of the equation. 84.5 + -84.5 + x = 84.458569725 + -84.5 Combine like terms: 84.5 + -84.5 = 0.0 0.0 + x = 84.458569725 + -84.5 x = 84.458569725 + -84.5 Combine like terms: 84.458569725 + -84.5 = -0.041430275 x = -0.041430275 Simplifying x = -0.041430275

Subproblem 2

x + 84.5 = -84.458569725 Simplifying x + 84.5 = -84.458569725 Reorder the terms: 84.5 + x = -84.458569725 Solving 84.5 + x = -84.458569725 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-84.5' to each side of the equation. 84.5 + -84.5 + x = -84.458569725 + -84.5 Combine like terms: 84.5 + -84.5 = 0.0 0.0 + x = -84.458569725 + -84.5 x = -84.458569725 + -84.5 Combine like terms: -84.458569725 + -84.5 = -168.958569725 x = -168.958569725 Simplifying x = -168.958569725

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-0.041430275, -168.958569725}

See similar equations:

| 4x^4+5x^2=8 | | x^2-10x-25=14 | | 8+3x-x=6 | | 21=w^2+4w | | 30=-x+100 | | (-3x-7)+(4x+7)=0 | | Tanx*cotx= | | 3x^2-4x+150=0 | | 2x*3x=10*(10x+10) | | 1/3x-15/120x= | | 0=2x^2+11x+21 | | -7(7x-3)+1=-49x+22 | | 22x-45=93 | | 0.75(2x-5)=0.50(x+2) | | 2x-4=3(x+6) | | X(x+3x)=8(8+(x+2)) | | 64-x=73-2x | | log[4]2*x=0 | | a(7x+3)=b-21x | | y-4=30 | | 7*49=x*8x | | (x^2-1)+2(x^2-1)-15=0 | | 55=-0.8x+72 | | 0=x^2-12x+40 | | 2w^2-3w=5 | | 20x+3700=25x+3500 | | 10*19=x*5x | | 2y+3x-30x+2y= | | 10*19=5x*5 | | X^2-2=264 | | 6.1x-3+x-1.1= | | 4n+8=6 |

Equations solver categories