x(x)+2x+11=0

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


Simplifying
x(x) + 2x + 11 = 0

Multiply x * x
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:

| 17x=2x-30 | | 10.24x(x)-15.36x+5.76=0 | | (3X+1)+85=180 | | 15/w=300 | | 2/4=-3/4 | | (3X-1)+85=180 | | 8a-2=23+9 | | arcsin(1/2)=2x | | arcsin(1/2)-2x | | 2x-4+3x+9=5 | | 54=10x+8 | | 6-2x+12=17-5-12 | | 8a-2=12+4 | | (4y+1)(3y-2)=0 | | 2.25-x+6.5+3x=29.75 | | 12-3(4+1.3)=4x | | 0=x^2+4.5x-9 | | .02(60)+0.05x=0.10(60+x) | | 4x=22+9 | | X+6-3.5x=12 | | 12-3x=4y | | 9.3x(x)+5.7x-2.3=0 | | (24+2x)(16+2x)=384 | | (24+2x)(16+2x)=2(24)(16) | | 21-19=6x-x | | 5p-3p-2q-q= | | 12=4x-3+5x | | (x^3)+(2x^2)-(81x+162)=0 | | 4x-9-x=18 | | 2/3n-n:6 | | (x^3)+(2*x^2)-(81x+162)=0 | | (n^2-3n+1)(2n+3)=0 |

Equations solver categories