x^2-6x-88=0

Simple and best practice solution for x^2-6x-88=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^2-6x-88=0 equation:


Simplifying
x2 + -6x + -88 = 0

Reorder the terms:
-88 + -6x + x2 = 0

Solving
-88 + -6x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '88' to each side of the equation.
-88 + -6x + 88 + x2 = 0 + 88

Reorder the terms:
-88 + 88 + -6x + x2 = 0 + 88

Combine like terms: -88 + 88 = 0
0 + -6x + x2 = 0 + 88
-6x + x2 = 0 + 88

Combine like terms: 0 + 88 = 88
-6x + x2 = 88

The x term is -6x.  Take half its coefficient (-3).
Square it (9) and add it to both sides.

Add '9' to each side of the equation.
-6x + 9 + x2 = 88 + 9

Reorder the terms:
9 + -6x + x2 = 88 + 9

Combine like terms: 88 + 9 = 97
9 + -6x + x2 = 97

Factor a perfect square on the left side:
(x + -3)(x + -3) = 97

Calculate the square root of the right side: 9.848857802

Break this problem into two subproblems by setting 
(x + -3) equal to 9.848857802 and -9.848857802.

Subproblem 1

x + -3 = 9.848857802 Simplifying x + -3 = 9.848857802 Reorder the terms: -3 + x = 9.848857802 Solving -3 + x = 9.848857802 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + x = 9.848857802 + 3 Combine like terms: -3 + 3 = 0 0 + x = 9.848857802 + 3 x = 9.848857802 + 3 Combine like terms: 9.848857802 + 3 = 12.848857802 x = 12.848857802 Simplifying x = 12.848857802

Subproblem 2

x + -3 = -9.848857802 Simplifying x + -3 = -9.848857802 Reorder the terms: -3 + x = -9.848857802 Solving -3 + x = -9.848857802 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + x = -9.848857802 + 3 Combine like terms: -3 + 3 = 0 0 + x = -9.848857802 + 3 x = -9.848857802 + 3 Combine like terms: -9.848857802 + 3 = -6.848857802 x = -6.848857802 Simplifying x = -6.848857802

Solution

The solution to the problem is based on the solutions from the subproblems. x = {12.848857802, -6.848857802}

See similar equations:

| 4x^3-3x^4=0.85 | | 9+15=2x+1 | | .25x+.5y+7=0 | | 47+5/12g=100 | | y=2x^2-13x+15 | | 20/4 | | 4y-3x-15=3y+4x-30 | | 5y+8y=23 | | -4x+4x-1=x+11 | | -4x+7x-1= | | -9k=61.2 | | 2x-4+5=x+2 | | 1/3x+13=9 | | 5^3/2 | | 4s^3+4s^2/2s^2 | | -(3/4)^2 | | -3/4^2 | | 3(x+3)=6x+9 | | 25a^2-20a=(-4) | | 25a^2-20a=-4 | | 47+5/12g+100 | | 6x-13=7x+28 | | 3x=x+12+3*1/2 | | 9.1=x-0.7 | | 3z+8=9 | | 4x+(5x+3)=9x+3 | | 397+485+979=x | | (3u-5)(7+u)=0 | | 2.5(p-4)=3(p+2) | | x-3x+2-2x-7= | | x-3x=2-2x-7 | | 3k-(-2k+7)= |

Equations solver categories