x^2+8x+27=0

Simple and best practice solution for x^2+8x+27=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+8x+27=0 equation:


Simplifying
x2 + 8x + 27 = 0

Reorder the terms:
27 + 8x + x2 = 0

Solving
27 + 8x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-27' to each side of the equation.
27 + 8x + -27 + x2 = 0 + -27

Reorder the terms:
27 + -27 + 8x + x2 = 0 + -27

Combine like terms: 27 + -27 = 0
0 + 8x + x2 = 0 + -27
8x + x2 = 0 + -27

Combine like terms: 0 + -27 = -27
8x + x2 = -27

The x term is 8x.  Take half its coefficient (4).
Square it (16) and add it to both sides.

Add '16' to each side of the equation.
8x + 16 + x2 = -27 + 16

Reorder the terms:
16 + 8x + x2 = -27 + 16

Combine like terms: -27 + 16 = -11
16 + 8x + x2 = -11

Factor a perfect square on the left side:
(x + 4)(x + 4) = -11

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| -61-10=10x+19 | | t^2+4t=0 | | 22x+22=33+3 | | 4x-1=12x-25 | | 3+2(x-2)=2x-1 | | 12w+w^2+32=0 | | -12-(-6)= | | 4x-6=9x-21 | | 4m^4-6m^3-10m^2=0 | | 8-(-3)= | | -47-3x=9-10x | | 10(x+6)=5(x+20) | | 8x-3-10x-19=360 | | -2+(3+4)=(-2+3)+4 | | 8x-3+10x-19=360 | | 2(x+1)=3(x-5)+9 | | 2x-2=52-7x | | 2(x-4)=28-4x | | 6x+4=3x+31 | | t-6=4+21 | | 3(n-1)=15 | | (X+1)(x-4)=0 | | 4x-3=5+x | | 5(3x+5)=2(7x-4) | | (x-3)(x-3)=x | | Xy+x=12 | | x^2+x=0+4 | | Y(3-x)=6 | | 8a+1=49 | | (X+6)y=7 | | 3(x+5)=21-4(x+5) | | 15+5x=75 |

Equations solver categories