12=(x+2)(x+1)

Simple and best practice solution for 12=(x+2)(x+1) 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 12=(x+2)(x+1) equation: 


Simplifying
12 = (x + 2)(x + 1)

Reorder the terms:
12 = (2 + x)(x + 1)

Reorder the terms:
12 = (2 + x)(1 + x)

Multiply (2 + x) * (1 + x)
12 = (2(1 + x) + x(1 + x))
12 = ((1 * 2 + x * 2) + x(1 + x))
12 = ((2 + 2x) + x(1 + x))
12 = (2 + 2x + (1 * x + x * x))
12 = (2 + 2x + (1x + x2))

Combine like terms: 2x + 1x = 3x
12 = (2 + 3x + x2)

Solving
12 = 2 + 3x + x2

Solving for variable 'x'.

Combine like terms: 12 + -2 = 10
10 + -3x + -1x2 = 2 + 3x + x2 + -2 + -3x + -1x2

Reorder the terms:
10 + -3x + -1x2 = 2 + -2 + 3x + -3x + x2 + -1x2

Combine like terms: 2 + -2 = 0
10 + -3x + -1x2 = 0 + 3x + -3x + x2 + -1x2
10 + -3x + -1x2 = 3x + -3x + x2 + -1x2

Combine like terms: 3x + -3x = 0
10 + -3x + -1x2 = 0 + x2 + -1x2
10 + -3x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
10 + -3x + -1x2 = 0

Factor a trinomial.
(2 + -1x)(5 + 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 '(5 + x)' equal to zero and attempt to solve:

Simplifying
5 + x = 0

Solving
5 + x = 0

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 = 0 + -5

Combine like terms: 5 + -5 = 0
0 + x = 0 + -5
x = 0 + -5

Combine like terms: 0 + -5 = -5
x = -5

Simplifying
x = -5
Solution
x = {2, -5}

See similar equations:

| 1x+1y=1.70 | | 8h=-8+4h | | x^2-10x+2=98 | | In(2x-3)=14 | | (6+y)(4y+9)=0 | | (4x+3)(8x+7)=0 | | (2x+9)-(x-9)=9 | | C+4=11 | | (u-6)(u-9)=0 | | 3x+2+6x=180 | | m+8=2m | | 8x-7+38x-4=360 | | 11=-4x-1 | | -132=-3v+3(4-5v) | | 6=2g | | -9v+48=-3(v-2) | | -7-10x=153 | | Y+z=3 | | (x-2)(3x+1)=3(x+1)+6 | | 4x-10+24x-4=360 | | 2x+28=40.4 | | 2b=3b+3 | | d-95=67 | | sin-15= | | 2u+8=-6 | | 4=2s | | 33x+6+90=360 | | 1n+8= | | x+2x-44=-20 | | 5r^2+20r=0 | | 11sin^4x= | | -6v+8=-4v |

Equations solver categories