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 = 6
25 + 10x + x2 = 6

Factor a perfect square on the left side:
(x + 5)(x + 5) = 6

Calculate the square root of the right side: 2.449489743

Break this problem into two subproblems by setting 
(x + 5) equal to 2.449489743 and -2.449489743.

Subproblem 1

x + 5 = 2.449489743 Simplifying x + 5 = 2.449489743 Reorder the terms: 5 + x = 2.449489743 Solving 5 + x = 2.449489743 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 = 2.449489743 + -5 Combine like terms: 5 + -5 = 0 0 + x = 2.449489743 + -5 x = 2.449489743 + -5 Combine like terms: 2.449489743 + -5 = -2.550510257 x = -2.550510257 Simplifying x = -2.550510257

Subproblem 2

x + 5 = -2.449489743 Simplifying x + 5 = -2.449489743 Reorder the terms: 5 + x = -2.449489743 Solving 5 + x = -2.449489743 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 = -2.449489743 + -5 Combine like terms: 5 + -5 = 0 0 + x = -2.449489743 + -5 x = -2.449489743 + -5 Combine like terms: -2.449489743 + -5 = -7.449489743 x = -7.449489743 Simplifying x = -7.449489743

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-2.550510257, -7.449489743}

See similar equations:

| 5z-17=13 | | 4x^2+22x= | | -24-a=15 | | 4(3Y-1)-3(2Y)=12 | | -2(3x-3)=2x | | 6x^2+x-12= | | 12x-2=28x+10 | | 4(7x-4)= | | y(7+k)=0 | | 4x^2-15x+9= | | 9w-w^3= | | 4x^2-10=90 | | 24x=15 | | 2(n-27)=3n | | 14+x=2x+6 | | 2x-3=-17 | | -18=4y+10 | | 2x^2+7x+3= | | 7x+ky=7 | | 3x=2x-7 | | 49x-49y=49 | | x+(x+500000)=575000000 | | 7b+5-7b-2=-8 | | X^2=-149 | | 10x-43=39+7(x+10) | | 14x^2-11x+2= | | 75.9=n-12.5 | | 7(6+x)=98 | | 4*3(4m-b)=12 | | -6w+12=-2+(3w-4) | | 2(6x-7)= | | 0.45m-0.7=0.22 |

Equations solver categories