x(x-2)=255

Simple and best practice solution for x(x-2)=255 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(x-2)=255 equation:


Simplifying
x(x + -2) = 255

Reorder the terms:
x(-2 + x) = 255
(-2 * x + x * x) = 255
(-2x + x2) = 255

Solving
-2x + x2 = 255

Solving for variable 'x'.

Reorder the terms:
-255 + -2x + x2 = 255 + -255

Combine like terms: 255 + -255 = 0
-255 + -2x + x2 = 0

Factor a trinomial.
(-15 + -1x)(17 + -1x) = 0

Subproblem 1

Set the factor '(-15 + -1x)' equal to zero and attempt to solve: Simplifying -15 + -1x = 0 Solving -15 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '15' to each side of the equation. -15 + 15 + -1x = 0 + 15 Combine like terms: -15 + 15 = 0 0 + -1x = 0 + 15 -1x = 0 + 15 Combine like terms: 0 + 15 = 15 -1x = 15 Divide each side by '-1'. x = -15 Simplifying x = -15

Subproblem 2

Set the factor '(17 + -1x)' equal to zero and attempt to solve: Simplifying 17 + -1x = 0 Solving 17 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-17' to each side of the equation. 17 + -17 + -1x = 0 + -17 Combine like terms: 17 + -17 = 0 0 + -1x = 0 + -17 -1x = 0 + -17 Combine like terms: 0 + -17 = -17 -1x = -17 Divide each side by '-1'. x = 17 Simplifying x = 17

Solution

x = {-15, 17}

See similar equations:

| 6ab^2= | | 4(-6+5m)=-104 | | 4(2x+4)+2(5x+3)+6=18x+28 | | 144+y^2=c^2 | | 7x-2x=-2+5x+x | | A^3-3a^2=2b | | 3(-5k+4)-6=-84 | | {1/2x+5}=-3 | | 6x+30=3x+32 | | -7x-5+10x=-14-6 | | 2a+2b=36 | | 5z-8(100-z)=40-z | | q^3+125=0 | | -v+158=29 | | -4y+8(-4y+5)=2+8(9-y) | | 2y+2x=36 | | {6y-7}=-1 | | -2(r+3)=-37 | | -38+8r=-r+8(3r-1) | | 3p+6+9p=-66 | | {8w+5}=2 | | 7+x=2-1 | | 28a+12=0 | | -n+4n=-12 | | 13=4x+3-2x | | kx^2+36x+k=0 | | -9(6-4m)=-6(-6m+3)-8 | | y^4+12y^2+5=0 | | {14+-8}=20 | | 2=6p-5-5p | | 3a^2b(a-2b)= | | 16y-12x=-40 |

Equations solver categories