3w^2+1w+8=0

Simple and best practice solution for 3w^2+1w+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 3w^2+1w+8=0 equation: 


Simplifying
3w2 + 1w + 8 = 0

Reorder the terms:
8 + 1w + 3w2 = 0

Solving
8 + 1w + 3w2 = 0

Solving for variable 'w'.

Begin completing the square.  Divide all terms by
3 the coefficient of the squared term: 

Divide each side by '3'.
2.666666667 + 0.3333333333w + w2 = 0

Move the constant term to the right:

Add '-2.666666667' to each side of the equation.
2.666666667 + 0.3333333333w + -2.666666667 + w2 = 0 + -2.666666667

Reorder the terms:
2.666666667 + -2.666666667 + 0.3333333333w + w2 = 0 + -2.666666667

Combine like terms: 2.666666667 + -2.666666667 = 0.000000000
0.000000000 + 0.3333333333w + w2 = 0 + -2.666666667
0.3333333333w + w2 = 0 + -2.666666667

Combine like terms: 0 + -2.666666667 = -2.666666667
0.3333333333w + w2 = -2.666666667

The w term is 0.3333333333w.  Take half its coefficient (0.1666666667).
Square it (0.02777777779) and add it to both sides.

Add '0.02777777779' to each side of the equation.
0.3333333333w + 0.02777777779 + w2 = -2.666666667 + 0.02777777779

Reorder the terms:
0.02777777779 + 0.3333333333w + w2 = -2.666666667 + 0.02777777779

Combine like terms: -2.666666667 + 0.02777777779 = -2.63888888921
0.02777777779 + 0.3333333333w + w2 = -2.63888888921

Factor a perfect square on the left side:
(w + 0.1666666667)(w + 0.1666666667) = -2.63888888921

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 7a^2-14a-56=0 | | y=-7-2x | | 2/3x=11/6 | | -13/20p=-1/5 | | x+0.1= | | 9x-7x+5-9x=6-4x+8x | | 3/4w=-1/2 | | 7.7=-log(y) | | 3x^2-8=7x | | 3/5x_2/3x=1/10 | | 1.5y-6.7-0.1y=0.3 | | -8/17v=16 | | 4/5-2x+1/2-x=14 | | 0=224t-16t^2 | | 21s^5-50s^4-16s^3=0 | | 3sin(X)=cos(X) | | 14y/10 | | 5+3(3b-5)=14 | | (x-3/7)=2/3(3/2-9/14) | | 8(6+x)= | | -7y+5(y+5)=35 | | -3/7c=-6 | | 4a^2-6ab-10b^2=0 | | (15/23)/(6/7) | | 39+31(11x+11)=180 | | 10000x^102-2500x^101-125000x^100=0 | | x/5-5=14 | | 4m=2.5m+21 | | .99x=45 | | 35a^2-16ab-3b^2=0 | | (10-2x)(6-2x)*x=28 | | 5a-9+a=45 |

Equations solver categories