2x+x^2+6=0

Simple and best practice solution for 2x+x^2+6=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 2x+x^2+6=0 equation:


Simplifying
2x + x2 + 6 = 0

Reorder the terms:
6 + 2x + x2 = 0

Solving
6 + 2x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-6' to each side of the equation.
6 + 2x + -6 + x2 = 0 + -6

Reorder the terms:
6 + -6 + 2x + x2 = 0 + -6

Combine like terms: 6 + -6 = 0
0 + 2x + x2 = 0 + -6
2x + x2 = 0 + -6

Combine like terms: 0 + -6 = -6
2x + x2 = -6

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 = -6 + 1

Reorder the terms:
1 + 2x + x2 = -6 + 1

Combine like terms: -6 + 1 = -5
1 + 2x + x2 = -5

Factor a perfect square on the left side:
(x + 1)(x + 1) = -5

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 4x+17=4(x+3)+5 | | 0=-0.16x^2+5x+8 | | -2(3x-2)-8x=16 | | 10x+8(x+.25)=3(6x-9)-8 | | 3x+8x=x^2-3x-12 | | (X-(2/7))(x-(1/3))=0 | | -1/2-1 | | 2x-7y=31 | | -3.2+9x=0 | | 5x+-2y=48 | | 2r=-12 | | 50+8n= | | -14u+6u+12u+-3=9 | | -14y+13y+-16=4 | | s-10=-7 | | 4x*2=2048x | | 4+2y=-8x | | -5n^2=-320 | | 5x^2-3x^3+6x=8 | | -4(z+9)=7-3z | | 5m-21= | | 100=800(.02)(t) | | 7+18=74 | | D=3h+2 | | d=-0.5+7 | | 0=13.303x^2-241.442x+1659.567 | | 3m^2-5m-7=0 | | 6v^2=9 | | 2x+5=27x-4 | | 2x+5x^2=2x | | 4.24x+25.44=50.88 | | A=2x+12x+16 |

Equations solver categories