0=x^2+10x-180

Simple and best practice solution for 0=x^2+10x-180 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-180 equation:


Simplifying
0 = x2 + 10x + -180

Reorder the terms:
0 = -180 + 10x + x2

Solving
0 = -180 + 10x + x2

Solving for variable 'x'.

Combine like terms: 0 + 180 = 180
180 + -10x + -1x2 = -180 + 10x + x2 + 180 + -10x + -1x2

Reorder the terms:
180 + -10x + -1x2 = -180 + 180 + 10x + -10x + x2 + -1x2

Combine like terms: -180 + 180 = 0
180 + -10x + -1x2 = 0 + 10x + -10x + x2 + -1x2
180 + -10x + -1x2 = 10x + -10x + x2 + -1x2

Combine like terms: 10x + -10x = 0
180 + -10x + -1x2 = 0 + x2 + -1x2
180 + -10x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
180 + -10x + -1x2 = 0

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

Divide each side by '-1'.
-180 + 10x + x2 = 0

Move the constant term to the right:

Add '180' to each side of the equation.
-180 + 10x + 180 + x2 = 0 + 180

Reorder the terms:
-180 + 180 + 10x + x2 = 0 + 180

Combine like terms: -180 + 180 = 0
0 + 10x + x2 = 0 + 180
10x + x2 = 0 + 180

Combine like terms: 0 + 180 = 180
10x + x2 = 180

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 = 180 + 25

Reorder the terms:
25 + 10x + x2 = 180 + 25

Combine like terms: 180 + 25 = 205
25 + 10x + x2 = 205

Factor a perfect square on the left side:
(x + 5)(x + 5) = 205

Calculate the square root of the right side: 14.317821063

Break this problem into two subproblems by setting 
(x + 5) equal to 14.317821063 and -14.317821063.

Subproblem 1

x + 5 = 14.317821063 Simplifying x + 5 = 14.317821063 Reorder the terms: 5 + x = 14.317821063 Solving 5 + x = 14.317821063 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 = 14.317821063 + -5 Combine like terms: 5 + -5 = 0 0 + x = 14.317821063 + -5 x = 14.317821063 + -5 Combine like terms: 14.317821063 + -5 = 9.317821063 x = 9.317821063 Simplifying x = 9.317821063

Subproblem 2

x + 5 = -14.317821063 Simplifying x + 5 = -14.317821063 Reorder the terms: 5 + x = -14.317821063 Solving 5 + x = -14.317821063 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 = -14.317821063 + -5 Combine like terms: 5 + -5 = 0 0 + x = -14.317821063 + -5 x = -14.317821063 + -5 Combine like terms: -14.317821063 + -5 = -19.317821063 x = -19.317821063 Simplifying x = -19.317821063

Solution

The solution to the problem is based on the solutions from the subproblems. x = {9.317821063, -19.317821063}

See similar equations:

| 4x^2+8x-y^2+4y-4=0 | | 4b^2-13b+10=0 | | 4(7y+x)=4fory | | (a+9)(a-9)=0 | | 4b-13b+10=0 | | 5r/4=45/2 | | 2(5x+10)=(2x+13) | | 3x-3-2x=1 | | 10x+20=2x+13 | | 4x^2-y^2-4y-4=0 | | 35x^2y+14xy^2= | | 2x^2=0.10(x^2-0.400x+0.04) | | 35k^2-22k+6=0 | | n+282.4=3042.7 | | (x+8)(6x^2+6x-1)= | | 4x-11=24 | | 3x-1=2+7x | | x+1.6x+4x=0 | | x-75.5=3042.7 | | (2x^2+9xy)(9y-x)= | | X=5r-s | | -3x+4+x=16 | | 28x-4y=-12 | | 3x(4x-5y)-4x(5y-x)+6xy= | | 3x+10y=56 | | x=1+2.5y | | 2x(3x-2y)-6x(2y-x)+8xy= | | 71=8p | | 2313.4201=19.8*H | | 4(2h+1)+h=-41 | | f(x)=x^3-7.5x^2+18x | | 12(g+3)-3g=117 |

Equations solver categories