0=x^2-10x-10

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


Simplifying
0 = x2 + -10x + -10

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

Solving
0 = -10 + -10x + x2

Solving for variable 'x'.

Combine like terms: 0 + 10 = 10
10 + 10x + -1x2 = -10 + -10x + x2 + 10 + 10x + -1x2

Reorder the terms:
10 + 10x + -1x2 = -10 + 10 + -10x + 10x + x2 + -1x2

Combine like terms: -10 + 10 = 0
10 + 10x + -1x2 = 0 + -10x + 10x + x2 + -1x2
10 + 10x + -1x2 = -10x + 10x + x2 + -1x2

Combine like terms: -10x + 10x = 0
10 + 10x + -1x2 = 0 + x2 + -1x2
10 + 10x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
10 + 10x + -1x2 = 0

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

Divide each side by '-1'.
-10 + -10x + x2 = 0

Move the constant term to the right:

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

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

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

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

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 = 10 + 25

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

Combine like terms: 10 + 25 = 35
25 + -10x + x2 = 35

Factor a perfect square on the left side:
(x + -5)(x + -5) = 35

Calculate the square root of the right side: 5.916079783

Break this problem into two subproblems by setting 
(x + -5) equal to 5.916079783 and -5.916079783.

Subproblem 1

x + -5 = 5.916079783 Simplifying x + -5 = 5.916079783 Reorder the terms: -5 + x = 5.916079783 Solving -5 + x = 5.916079783 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 = 5.916079783 + 5 Combine like terms: -5 + 5 = 0 0 + x = 5.916079783 + 5 x = 5.916079783 + 5 Combine like terms: 5.916079783 + 5 = 10.916079783 x = 10.916079783 Simplifying x = 10.916079783

Subproblem 2

x + -5 = -5.916079783 Simplifying x + -5 = -5.916079783 Reorder the terms: -5 + x = -5.916079783 Solving -5 + x = -5.916079783 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 = -5.916079783 + 5 Combine like terms: -5 + 5 = 0 0 + x = -5.916079783 + 5 x = -5.916079783 + 5 Combine like terms: -5.916079783 + 5 = -0.916079783 x = -0.916079783 Simplifying x = -0.916079783

Solution

The solution to the problem is based on the solutions from the subproblems. x = {10.916079783, -0.916079783}

See similar equations:

| 19=y-7 | | y+(y-30)+90=180 | | -8=4x+24+8x | | 23-7(x)=117 | | m+2m+(y-30)=180 | | -3(x-4)+5=2x-2 | | 3(x+6)=2(x-3) | | 180-(2x-20)=2x | | 5x+30=9x-10 | | -27-8a=5(-3a+7)-6 | | (-x)(3x^2+x-1)= | | 1.5c+4=.5c+13 | | -2(x-3)=8x+16 | | 4y-2+y+49=7y+50-5y | | 4x+80+x-60=180 | | (.17)(1.2)= | | 0.5+2x=1 | | 3(p-4)=2(p+1) | | 1.5v-0.9v+2.5=4.5 | | 9x+x-4x=24+48 | | -7(n-3)=-7n+21 | | 7-2n=8n-(4n) | | 4x-4=6x+5 | | (9/7)(7/16)=x | | 6z+6z=7z-2-5z | | (.01)(.3)= | | -9(m+5)-2(9m+7)=-28(m+3)-2 | | 1.5*x=60 | | 1+2v=9+3v | | P(x)=10*7-7 | | 5a+3=-22 | | 8(2n+3)=9(7n+2+3) |

Equations solver categories