x^2+2x+11=0

Simple and best practice solution for x^2+2x+11=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+2x+11=0 equation:


Simplifying
x2 + 2x + 11 = 0

Reorder the terms:
11 + 2x + x2 = 0

Solving
11 + 2x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-11' to each side of the equation.
11 + 2x + -11 + x2 = 0 + -11

Reorder the terms:
11 + -11 + 2x + x2 = 0 + -11

Combine like terms: 11 + -11 = 0
0 + 2x + x2 = 0 + -11
2x + x2 = 0 + -11

Combine like terms: 0 + -11 = -11
2x + x2 = -11

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 = -11 + 1

Reorder the terms:
1 + 2x + x2 = -11 + 1

Combine like terms: -11 + 1 = -10
1 + 2x + x2 = -10

Factor a perfect square on the left side:
(x + 1)(x + 1) = -10

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 111-3x=33x+15 | | 7-10x=31-24x | | 6x+5=115-5x | | -162-8x=10+18 | | -4x+5y=10 | | 2(7+3r)=-r | | 4x+10=-116-10x | | -4+5y=10 | | -4(3X+5)=-116 | | 12w^2+25w+12=0 | | 5+4x=26+x | | 4x-4=13x-85 | | 3x-24x+45=0 | | 4x+39=14x-81 | | 5+2x=5x-6 | | 6x-3=14x-67 | | 6x+13=-99-10x | | -(3y+5)-(-2y-6)=-7 | | 3x+46=7x+14 | | 3x+12=60-3x | | 3t+5=29 | | x^2-3xy=10 | | 4x+28=11x-49 | | k-5=k-1 | | w+z=18+6w | | w+z=18+6w | | 8x-8=5x+4 | | y=17x^2+3x+18 | | 2n-1=5 | | 12x+9=10x+17 | | 12t=-52 | | 5x-11=44 |

Equations solver categories