m^2+4m+8=0

Simple and best practice solution for m^2+4m+8=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 m^2+4m+8=0 equation:


Simplifying
m2 + 4m + 8 = 0

Reorder the terms:
8 + 4m + m2 = 0

Solving
8 + 4m + m2 = 0

Solving for variable 'm'.

Begin completing the square.

Move the constant term to the right:

Add '-8' to each side of the equation.
8 + 4m + -8 + m2 = 0 + -8

Reorder the terms:
8 + -8 + 4m + m2 = 0 + -8

Combine like terms: 8 + -8 = 0
0 + 4m + m2 = 0 + -8
4m + m2 = 0 + -8

Combine like terms: 0 + -8 = -8
4m + m2 = -8

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

Add '4' to each side of the equation.
4m + 4 + m2 = -8 + 4

Reorder the terms:
4 + 4m + m2 = -8 + 4

Combine like terms: -8 + 4 = -4
4 + 4m + m2 = -4

Factor a perfect square on the left side:
(m + 2)(m + 2) = -4

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 5-6x=13+2x | | x+4y=-1 | | 3x-0.5=1.05 | | 1/2+3/5= | | 7(x-3)=5x+29 | | 5n+4=n+36 | | 8=100b+7 | | 48w^2+6=0 | | 11-9x=57-23 | | 7(v-4)=3(3+v)-1 | | 8+5m=908 | | n/7+3/7= | | 2-1y-4y=7 | | 18=3x+2y | | 18=3y+2x | | 18=2x+3y | | 20=4c+10 | | 3x+6(0.5)=42 | | 7=5u-73 | | -2.3(x-8)=3.7(x+4) | | 4x^2+20x-3=0 | | 6p-7=17 | | 5x-4=25x-6 | | 12x+7=7x+27 | | 4(X^2-1)=4x^2 | | (3w+8)(9-w)=0 | | (3z+6)(4z+9)= | | 2xw*3w= | | 5(5pq+5r)+5pq= | | (9-w)(3w+8)=0 | | 3-7n=-4n+12 | | 15=16x-3 |

Equations solver categories