x^2-10x-19=0

Simple and best practice solution for x^2-10x-19=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 x^2-10x-19=0 equation:


Simplifying
x2 + -10x + -19 = 0

Reorder the terms:
-19 + -10x + x2 = 0

Solving
-19 + -10x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '19' to each side of the equation.
-19 + -10x + 19 + x2 = 0 + 19

Reorder the terms:
-19 + 19 + -10x + x2 = 0 + 19

Combine like terms: -19 + 19 = 0
0 + -10x + x2 = 0 + 19
-10x + x2 = 0 + 19

Combine like terms: 0 + 19 = 19
-10x + x2 = 19

The x term is -10x.  Take half its coefficient (-5).
Square it (25) and add it to both sides.

Add '25' to each side of the equation.
-10x + 25 + x2 = 19 + 25

Reorder the terms:
25 + -10x + x2 = 19 + 25

Combine like terms: 19 + 25 = 44
25 + -10x + x2 = 44

Factor a perfect square on the left side:
(x + -5)(x + -5) = 44

Calculate the square root of the right side: 6.633249581

Break this problem into two subproblems by setting 
(x + -5) equal to 6.633249581 and -6.633249581.

Subproblem 1

x + -5 = 6.633249581 Simplifying x + -5 = 6.633249581 Reorder the terms: -5 + x = 6.633249581 Solving -5 + x = 6.633249581 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + x = 6.633249581 + 5 Combine like terms: -5 + 5 = 0 0 + x = 6.633249581 + 5 x = 6.633249581 + 5 Combine like terms: 6.633249581 + 5 = 11.633249581 x = 11.633249581 Simplifying x = 11.633249581

Subproblem 2

x + -5 = -6.633249581 Simplifying x + -5 = -6.633249581 Reorder the terms: -5 + x = -6.633249581 Solving -5 + x = -6.633249581 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + x = -6.633249581 + 5 Combine like terms: -5 + 5 = 0 0 + x = -6.633249581 + 5 x = -6.633249581 + 5 Combine like terms: -6.633249581 + 5 = -1.633249581 x = -1.633249581 Simplifying x = -1.633249581

Solution

The solution to the problem is based on the solutions from the subproblems. x = {11.633249581, -1.633249581}

See similar equations:

| 30x+1=24x+36x+5 | | x^2-5x+2.25=0 | | 10m=-28+3m | | 2x(x-2)+15=14 | | 5x^2+40x=-20 | | 3*c*d= | | x^2+10x-30=0 | | x+3y=36 | | 3ef+5ef-ef= | | 3x+2=2x+20 | | 5x+2=3x+32 | | 50-x=.5x-10 | | 5x+12=9x+26 | | x/10=x/7+1/10 | | 25-16x^2=0 | | 3w+4+w=4w+28 | | 2z-31=(-9z)+24 | | 46-7x=11x+18 | | 6-7x=17-14x | | 112-6x=30x+24 | | 5xy-4xy-xy= | | 0.5x-3x=0.75-4x | | 12x+13=3x+139 | | 10x-29=91 | | -3-6x=7x+15 | | 9x+5=9x+13 | | 5(m+3)=2m+48 | | 3(5x+4)=18-6 | | 3(15x+4)=18-6 | | 6x^2-6x=12 | | 5x^2-10x+5= | | xa=ba+c |

Equations solver categories