2(x+1)+x(x+2)+(x+3)+(x+4)=28

Simple and best practice solution for 2(x+1)+x(x+2)+(x+3)+(x+4)=28 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 2(x+1)+x(x+2)+(x+3)+(x+4)=28 equation:


Simplifying
2(x + 1) + x(x + 2) + (x + 3) + (x + 4) = 28

Reorder the terms:
2(1 + x) + x(x + 2) + (x + 3) + (x + 4) = 28
(1 * 2 + x * 2) + x(x + 2) + (x + 3) + (x + 4) = 28
(2 + 2x) + x(x + 2) + (x + 3) + (x + 4) = 28

Reorder the terms:
2 + 2x + x(2 + x) + (x + 3) + (x + 4) = 28
2 + 2x + (2 * x + x * x) + (x + 3) + (x + 4) = 28
2 + 2x + (2x + x2) + (x + 3) + (x + 4) = 28

Reorder the terms:
2 + 2x + 2x + x2 + (3 + x) + (x + 4) = 28

Remove parenthesis around (3 + x)
2 + 2x + 2x + x2 + 3 + x + (x + 4) = 28

Reorder the terms:
2 + 2x + 2x + x2 + 3 + x + (4 + x) = 28

Remove parenthesis around (4 + x)
2 + 2x + 2x + x2 + 3 + x + 4 + x = 28

Reorder the terms:
2 + 3 + 4 + 2x + 2x + x + x + x2 = 28

Combine like terms: 2 + 3 = 5
5 + 4 + 2x + 2x + x + x + x2 = 28

Combine like terms: 5 + 4 = 9
9 + 2x + 2x + x + x + x2 = 28

Combine like terms: 2x + 2x = 4x
9 + 4x + x + x + x2 = 28

Combine like terms: 4x + x = 5x
9 + 5x + x + x2 = 28

Combine like terms: 5x + x = 6x
9 + 6x + x2 = 28

Solving
9 + 6x + x2 = 28

Solving for variable 'x'.

Reorder the terms:
9 + -28 + 6x + x2 = 28 + -28

Combine like terms: 9 + -28 = -19
-19 + 6x + x2 = 28 + -28

Combine like terms: 28 + -28 = 0
-19 + 6x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '19' to each side of the equation.
-19 + 6x + 19 + x2 = 0 + 19

Reorder the terms:
-19 + 19 + 6x + x2 = 0 + 19

Combine like terms: -19 + 19 = 0
0 + 6x + x2 = 0 + 19
6x + x2 = 0 + 19

Combine like terms: 0 + 19 = 19
6x + x2 = 19

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 = 19 + 9

Reorder the terms:
9 + 6x + x2 = 19 + 9

Combine like terms: 19 + 9 = 28
9 + 6x + x2 = 28

Factor a perfect square on the left side:
(x + 3)(x + 3) = 28

Calculate the square root of the right side: 5.291502622

Break this problem into two subproblems by setting 
(x + 3) equal to 5.291502622 and -5.291502622.

Subproblem 1

x + 3 = 5.291502622 Simplifying x + 3 = 5.291502622 Reorder the terms: 3 + x = 5.291502622 Solving 3 + x = 5.291502622 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 = 5.291502622 + -3 Combine like terms: 3 + -3 = 0 0 + x = 5.291502622 + -3 x = 5.291502622 + -3 Combine like terms: 5.291502622 + -3 = 2.291502622 x = 2.291502622 Simplifying x = 2.291502622

Subproblem 2

x + 3 = -5.291502622 Simplifying x + 3 = -5.291502622 Reorder the terms: 3 + x = -5.291502622 Solving 3 + x = -5.291502622 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 = -5.291502622 + -3 Combine like terms: 3 + -3 = 0 0 + x = -5.291502622 + -3 x = -5.291502622 + -3 Combine like terms: -5.291502622 + -3 = -8.291502622 x = -8.291502622 Simplifying x = -8.291502622

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.291502622, -8.291502622}

See similar equations:

| 18=8-5x | | 3x+2y-12xy=0 | | 38-3f=15+20f | | 3(2-x)+1=-(5x+13) | | 8(x-3)=2x-54 | | C=3Dford | | 1.825x=-22.79 | | 67=3x+4 | | 3(4)+3=5(4)-4 | | 15b^2-38-24=0 | | 6x+8*3=0 | | 100x^2+10001x+10=0 | | 27x-1=100 | | 3(4+3)=2(c-4) | | 3(8-x)=18 | | 6x=256 | | 2x(8)=12 | | x^4+x^2=90 | | 9n-12=3n+12 | | -5-(-7)=52 | | x^2-8y^2-224=0 | | 15x+36=7x+1 | | -6k+7=-2k-9 | | 6y-2f= | | X+51=43 | | 20-5y=15 | | 10-1n=30 | | 3y+8=-9 | | 7.5(x-4)=0.5x+34 | | 22+3x-2=14x-10-5x | | y=x^4+8e^3 | | 8c^3-g^3=0 |

Equations solver categories