8=(2+x)x

Simple and best practice solution for 8=(2+x)x 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 8=(2+x)x equation:


Simplifying
8 = (2 + x) * x

Reorder the terms for easier multiplication:
8 = x(2 + x)
8 = (2 * x + x * x)
8 = (2x + x2)

Solving
8 = 2x + x2

Solving for variable 'x'.

Reorder the terms:
8 + -2x + -1x2 = 2x + -2x + x2 + -1x2

Combine like terms: 2x + -2x = 0
8 + -2x + -1x2 = 0 + x2 + -1x2
8 + -2x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
8 + -2x + -1x2 = 0

Factor a trinomial.
(2 + -1x)(4 + x) = 0

Subproblem 1

Set the factor '(2 + -1x)' equal to zero and attempt to solve: Simplifying 2 + -1x = 0 Solving 2 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -1x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1x = 0 + -2 -1x = 0 + -2 Combine like terms: 0 + -2 = -2 -1x = -2 Divide each side by '-1'. x = 2 Simplifying x = 2

Subproblem 2

Set the factor '(4 + x)' equal to zero and attempt to solve: Simplifying 4 + x = 0 Solving 4 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + x = 0 + -4 x = 0 + -4 Combine like terms: 0 + -4 = -4 x = -4 Simplifying x = -4

Solution

x = {2, -4}

See similar equations:

| m-1.2=-2.09 | | -2n+2=16 | | 5+8x-3=8x+8-6x | | 7(6x-(7-2y+7x)+7y)= | | 2X+(-2X)=0 | | 4y+6y=3y-36 | | x^4-6x^3+9x^2=0 | | 9x+4x=13 | | 5x+3+33=x | | 12-0.5h=18-2h | | 5x-46=2x+5 | | x^2-18x+50=-3x | | 9x+4x=12 | | 3x+(5-2x)=20-2x | | 14+t=16.1 | | -x+6=-4 | | 5x+6=39 | | 12-0.05h=18-2h | | 11+9g=2 | | 3w-(8-2w)=12 | | 8x^2+12x-36=0 | | (17b-5)-8(2b+1)=-2 | | -5+6x=13 | | 10(v+4)-4v=3(2v+2)-7 | | 2x^2-14x+25=0 | | 10+5x=-3x+26 | | -3+(-3)= | | 3x^2+18xy^2=0 | | 9-y=1.5x | | x^2+18x+31= | | 20x^2-x-8=0 | | y^3-14y^2+45= |

Equations solver categories