x^2-9x-5x=-6

Simple and best practice solution for x^2-9x-5x=-6 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^2-9x-5x=-6 equation:


Simplifying
x2 + -9x + -5x = -6

Reorder the terms:
-9x + -5x + x2 = -6

Combine like terms: -9x + -5x = -14x
-14x + x2 = -6

Solving
-14x + x2 = -6

Solving for variable 'x'.

Reorder the terms:
6 + -14x + x2 = -6 + 6

Combine like terms: -6 + 6 = 0
6 + -14x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-6' to each side of the equation.
6 + -14x + -6 + x2 = 0 + -6

Reorder the terms:
6 + -6 + -14x + x2 = 0 + -6

Combine like terms: 6 + -6 = 0
0 + -14x + x2 = 0 + -6
-14x + x2 = 0 + -6

Combine like terms: 0 + -6 = -6
-14x + x2 = -6

The x term is -14x.  Take half its coefficient (-7).
Square it (49) and add it to both sides.

Add '49' to each side of the equation.
-14x + 49 + x2 = -6 + 49

Reorder the terms:
49 + -14x + x2 = -6 + 49

Combine like terms: -6 + 49 = 43
49 + -14x + x2 = 43

Factor a perfect square on the left side:
(x + -7)(x + -7) = 43

Calculate the square root of the right side: 6.557438524

Break this problem into two subproblems by setting 
(x + -7) equal to 6.557438524 and -6.557438524.

Subproblem 1

x + -7 = 6.557438524 Simplifying x + -7 = 6.557438524 Reorder the terms: -7 + x = 6.557438524 Solving -7 + x = 6.557438524 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + x = 6.557438524 + 7 Combine like terms: -7 + 7 = 0 0 + x = 6.557438524 + 7 x = 6.557438524 + 7 Combine like terms: 6.557438524 + 7 = 13.557438524 x = 13.557438524 Simplifying x = 13.557438524

Subproblem 2

x + -7 = -6.557438524 Simplifying x + -7 = -6.557438524 Reorder the terms: -7 + x = -6.557438524 Solving -7 + x = -6.557438524 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + x = -6.557438524 + 7 Combine like terms: -7 + 7 = 0 0 + x = -6.557438524 + 7 x = -6.557438524 + 7 Combine like terms: -6.557438524 + 7 = 0.442561476 x = 0.442561476 Simplifying x = 0.442561476

Solution

The solution to the problem is based on the solutions from the subproblems. x = {13.557438524, 0.442561476}

See similar equations:

| 1234ak-(k^0)=1233k | | 2x^3+8x^2+2x+18= | | 1234ak-(a^0)=1233a | | 1234ak-a^0=1233a | | 15w^2+4w-4=0 | | 1234ak-8a^0=1233ak | | 1+(ab-5a)5-b^2= | | 1+(ab-5a)5b^2= | | 2x+2=12-3x | | 222a+1=222 | | 5xy+8x=2-9y | | 1.5c-27=33 | | 4y-4+24=6y+20-4y | | -(x-3)=2(x-6) | | 30x^4-40x^2+10=0 | | 16+2b=57 | | 30x^4+40x^2+10=0 | | 23-r=7r-9 | | 0=.3x-2.7x+0.157 | | 4x^4+3x^2+1=0 | | 9x-2(x-5)=3x+10+4x | | (y^3)+(3y^2)=(4y)+(12) | | x+(-1)-1= | | -9a=30+a | | y^3+3y^2=4y+12 | | 3(x+1)=3x-7 | | 7m-6=m | | 2x^2+x-.5=0 | | 3x-5x=2x+7 | | 3x^2+33x-60=0 | | x+10-14= | | 23=7d+2 |

Equations solver categories