X^2+6(X)+2=0

Simple and best practice solution for X^2+6(X)+2=0 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^2+6(X)+2=0 equation:


Simplifying
X2 + 6(X) + 2 = 0

Reorder the terms:
2 + 6X + X2 = 0

Solving
2 + 6X + X2 = 0

Solving for variable 'X'.

Begin completing the square.

Move the constant term to the right:

Add '-2' to each side of the equation.
2 + 6X + -2 + X2 = 0 + -2

Reorder the terms:
2 + -2 + 6X + X2 = 0 + -2

Combine like terms: 2 + -2 = 0
0 + 6X + X2 = 0 + -2
6X + X2 = 0 + -2

Combine like terms: 0 + -2 = -2
6X + X2 = -2

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 = -2 + 9

Reorder the terms:
9 + 6X + X2 = -2 + 9

Combine like terms: -2 + 9 = 7
9 + 6X + X2 = 7

Factor a perfect square on the left side:
(X + 3)(X + 3) = 7

Calculate the square root of the right side: 2.645751311

Break this problem into two subproblems by setting 
(X + 3) equal to 2.645751311 and -2.645751311.

Subproblem 1

X + 3 = 2.645751311 Simplifying X + 3 = 2.645751311 Reorder the terms: 3 + X = 2.645751311 Solving 3 + X = 2.645751311 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 = 2.645751311 + -3 Combine like terms: 3 + -3 = 0 0 + X = 2.645751311 + -3 X = 2.645751311 + -3 Combine like terms: 2.645751311 + -3 = -0.354248689 X = -0.354248689 Simplifying X = -0.354248689

Subproblem 2

X + 3 = -2.645751311 Simplifying X + 3 = -2.645751311 Reorder the terms: 3 + X = -2.645751311 Solving 3 + X = -2.645751311 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 = -2.645751311 + -3 Combine like terms: 3 + -3 = 0 0 + X = -2.645751311 + -3 X = -2.645751311 + -3 Combine like terms: -2.645751311 + -3 = -5.645751311 X = -5.645751311 Simplifying X = -5.645751311

Solution

The solution to the problem is based on the solutions from the subproblems. X = {-0.354248689, -5.645751311}

See similar equations:

| 2x+12+4x=-10-8x-20 | | x^2+6x+2=20 | | (x-1)(x-1)-32=0 | | 5.1s-4.2=-2.6+4.9s | | 76=34+x | | (x*.2)+x=1320 | | (u-4)(u-4)-20=0 | | 7k-18=3k-58 | | 7x-4=3x-18 | | 5(u+6)-8u=39 | | x+3(x+2)=43 | | 4-x^4=0 | | X-37=32 | | 2+6t-5t^2=0 | | -16+6b+b^2=0 | | 4x+7-3(2x+3)=4(3x-4)-7x+7 | | 8x-8x-4=12x-8x+8 | | x^3+x^2=33 | | 8b+19=347 | | 19b+8=347 | | 8b+19=34 | | 4n+8=-56 | | 4h+13=42 | | 4h+13=41 | | (x-3)(x^2+2x+5)= | | 4xy(7x+3y)= | | 30x^2=37x+7 | | 2y(y^2-5y)= | | 7x+22=36 | | 4a^2-35a+49=0 | | s^2+5s-14= | | 4a^2-35a+49= |

Equations solver categories