4x(x+3)+2x^2=329

Simple and best practice solution for 4x(x+3)+2x^2=329 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 4x(x+3)+2x^2=329 equation:


Simplifying
4x(x + 3) + 2x2 = 329

Reorder the terms:
4x(3 + x) + 2x2 = 329
(3 * 4x + x * 4x) + 2x2 = 329
(12x + 4x2) + 2x2 = 329

Combine like terms: 4x2 + 2x2 = 6x2
12x + 6x2 = 329

Solving
12x + 6x2 = 329

Solving for variable 'x'.

Reorder the terms:
-329 + 12x + 6x2 = 329 + -329

Combine like terms: 329 + -329 = 0
-329 + 12x + 6x2 = 0

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

Divide each side by '6'.
-54.83333333 + 2x + x2 = 0

Move the constant term to the right:

Add '54.83333333' to each side of the equation.
-54.83333333 + 2x + 54.83333333 + x2 = 0 + 54.83333333

Reorder the terms:
-54.83333333 + 54.83333333 + 2x + x2 = 0 + 54.83333333

Combine like terms: -54.83333333 + 54.83333333 = 0.00000000
0.00000000 + 2x + x2 = 0 + 54.83333333
2x + x2 = 0 + 54.83333333

Combine like terms: 0 + 54.83333333 = 54.83333333
2x + x2 = 54.83333333

The x term is 2x.  Take half its coefficient (1).
Square it (1) and add it to both sides.

Add '1' to each side of the equation.
2x + 1 + x2 = 54.83333333 + 1

Reorder the terms:
1 + 2x + x2 = 54.83333333 + 1

Combine like terms: 54.83333333 + 1 = 55.83333333
1 + 2x + x2 = 55.83333333

Factor a perfect square on the left side:
(x + 1)(x + 1) = 55.83333333

Calculate the square root of the right side: 7.47217059

Break this problem into two subproblems by setting 
(x + 1) equal to 7.47217059 and -7.47217059.

Subproblem 1

x + 1 = 7.47217059 Simplifying x + 1 = 7.47217059 Reorder the terms: 1 + x = 7.47217059 Solving 1 + x = 7.47217059 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + x = 7.47217059 + -1 Combine like terms: 1 + -1 = 0 0 + x = 7.47217059 + -1 x = 7.47217059 + -1 Combine like terms: 7.47217059 + -1 = 6.47217059 x = 6.47217059 Simplifying x = 6.47217059

Subproblem 2

x + 1 = -7.47217059 Simplifying x + 1 = -7.47217059 Reorder the terms: 1 + x = -7.47217059 Solving 1 + x = -7.47217059 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + x = -7.47217059 + -1 Combine like terms: 1 + -1 = 0 0 + x = -7.47217059 + -1 x = -7.47217059 + -1 Combine like terms: -7.47217059 + -1 = -8.47217059 x = -8.47217059 Simplifying x = -8.47217059

Solution

The solution to the problem is based on the solutions from the subproblems. x = {6.47217059, -8.47217059}

See similar equations:

| 8k-3=6k+17 | | 2/80 | | 3x^3+x^2=490 | | -4v-3=2+v | | 8xy=12 | | 6d-6=-(2d+4) | | m=(6--3)/(-9--9) | | 7p-8=6p+1 | | 4u-8=-16 | | Y=3.5+4x | | 11y(-4-6y)+5(13y+1)=9 | | 1-3b=9b+7 | | 11x+18y=16 | | 3logx+2logx=10 | | 4s^2-115-3=0 | | 3w-5=5w+7 | | (3a-b)2-4(a+b)= | | 10-2m=16 | | -.05(2x+6)-4=1.6+x+0.4 | | -4x+5y=-4-2 | | 6y=-3x+1 | | 7+-6=4.9 | | 10(x+y)+5y=-2 | | 1(x-3)=-8 | | 3l-5=51-7 | | 5x+3x+3=25 | | 9x+20=4x+5 | | 10x^3*4y^2=0 | | 4x+10(x+y)=4 | | 6x+18y=750 | | xy-2x+3y=21 | | 4w^2+9w+5= |

Equations solver categories