x^2+4x+4=-18

Simple and best practice solution for x^2+4x+4=-18 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+4x+4=-18 equation:


Simplifying
x2 + 4x + 4 = -18

Reorder the terms:
4 + 4x + x2 = -18

Solving
4 + 4x + x2 = -18

Solving for variable 'x'.

Reorder the terms:
4 + 18 + 4x + x2 = -18 + 18

Combine like terms: 4 + 18 = 22
22 + 4x + x2 = -18 + 18

Combine like terms: -18 + 18 = 0
22 + 4x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-22' to each side of the equation.
22 + 4x + -22 + x2 = 0 + -22

Reorder the terms:
22 + -22 + 4x + x2 = 0 + -22

Combine like terms: 22 + -22 = 0
0 + 4x + x2 = 0 + -22
4x + x2 = 0 + -22

Combine like terms: 0 + -22 = -22
4x + x2 = -22

The x term is 4x.  Take half its coefficient (2).
Square it (4) and add it to both sides.

Add '4' to each side of the equation.
4x + 4 + x2 = -22 + 4

Reorder the terms:
4 + 4x + x2 = -22 + 4

Combine like terms: -22 + 4 = -18
4 + 4x + x2 = -18

Factor a perfect square on the left side:
(x + 2)(x + 2) = -18

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 3x/-18=5 | | 6-2/3x=-18 | | -1/8/1/56 | | -(x*4)=-2x+1 | | 2(x-5)+3x-15+x= | | x^2-4x+4=-28 | | 2(x-5)=6x-18 | | 0.5t=25 | | 64+27b^3=0 | | -5/3x=-9 | | -4+9=2x+3 | | 2(x-5)+2x-15+x= | | 7/x-4/21/2x-8 | | x^5-x^4+2x-7=0 | | -5c+17-8c=86 | | x^2+4x+4=-8 | | x-2/9=1/3 | | e-1/2=3/5 | | 4x-12/x-6=5 | | e-1/2=3/4 | | x+8x=79 | | 22*120= | | 3w+8=-13 | | -0.10(86)+0.75x=0.05(x-4) | | 4x^2+3=11 | | y+6=9 | | g/2.1=-6..8 | | -2x^2+10x=8 | | A+b+c+80+90= | | 8+7x=5x-12 | | 13=10+-3x | | 6-3x+3=-4x+-24+2 |

Equations solver categories