x^2+x=-5

Simple and best practice solution for x^2+x=-5 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+x=-5 equation:


Simplifying
x2 + x = -5

Reorder the terms:
x + x2 = -5

Solving
x + x2 = -5

Solving for variable 'x'.

Reorder the terms:
5 + x + x2 = -5 + 5

Combine like terms: -5 + 5 = 0
5 + x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-5' to each side of the equation.
5 + x + -5 + x2 = 0 + -5

Reorder the terms:
5 + -5 + x + x2 = 0 + -5

Combine like terms: 5 + -5 = 0
0 + x + x2 = 0 + -5
x + x2 = 0 + -5

Combine like terms: 0 + -5 = -5
x + x2 = -5

The x term is x.  Take half its coefficient (0.5).
Square it (0.25) and add it to both sides.

Add '0.25' to each side of the equation.
x + 0.25 + x2 = -5 + 0.25

Reorder the terms:
0.25 + x + x2 = -5 + 0.25

Combine like terms: -5 + 0.25 = -4.75
0.25 + x + x2 = -4.75

Factor a perfect square on the left side:
(x + 0.5)(x + 0.5) = -4.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 6x-7=13x | | -.5b=-8 | | 13c+40=8c-20 | | .75t=-15 | | 24*(1/2+x)=4 | | x^2-155x+(2135.71)= | | 8(4+x)=2x+65 | | -.75z=-5.5 | | n-2=13+6n | | .25x=.25-0.375x | | -5*(19+x)=0 | | x^2-18x+90=0 | | -.67t=-16 | | x^2-6x-(0.222)= | | n-(-6)=-12 | | t-2=.5 | | ln(4x-7)=11 | | 4x+5=2x+53 | | 6w=9w+15 | | -.2y=-6 | | K+1-4(2k-9)=0 | | x^2-6x+(0.222)= | | -.8x=-16 | | -35x^2+44x+7=0 | | 0=.8d | | x^3-40=24 | | -6+5(8-k)-8k=0 | | -45+14z-z^2=0 | | 3x-3+3=12 | | m-4=-75 | | 3d+1=3(d+1) | | 7k-2(3k+1)-9=0 |

Equations solver categories