3x^2-5.6x+12=0

Simple and best practice solution for 3x^2-5.6x+12=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 3x^2-5.6x+12=0 equation:


Simplifying
3x2 + -5.6x + 12 = 0

Reorder the terms:
12 + -5.6x + 3x2 = 0

Solving
12 + -5.6x + 3x2 = 0

Solving for variable 'x'.

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

Divide each side by '3'.
4 + -1.866666667x + x2 = 0

Move the constant term to the right:

Add '-4' to each side of the equation.
4 + -1.866666667x + -4 + x2 = 0 + -4

Reorder the terms:
4 + -4 + -1.866666667x + x2 = 0 + -4

Combine like terms: 4 + -4 = 0
0 + -1.866666667x + x2 = 0 + -4
-1.866666667x + x2 = 0 + -4

Combine like terms: 0 + -4 = -4
-1.866666667x + x2 = -4

The x term is -1.866666667x.  Take half its coefficient (-0.9333333335).
Square it (0.8711111114) and add it to both sides.

Add '0.8711111114' to each side of the equation.
-1.866666667x + 0.8711111114 + x2 = -4 + 0.8711111114

Reorder the terms:
0.8711111114 + -1.866666667x + x2 = -4 + 0.8711111114

Combine like terms: -4 + 0.8711111114 = -3.1288888886
0.8711111114 + -1.866666667x + x2 = -3.1288888886

Factor a perfect square on the left side:
(x + -0.9333333335)(x + -0.9333333335) = -3.1288888886

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 395-220= | | (-13)+(-2)x(3)= | | 4(3s+8)=140 | | 5(17)/10= | | 15=14r-9 | | 11x^2-4x=192 | | 5(3s+8)=140 | | 6a+8=62 | | 5=k/-4-7 | | 4(3s+8)=149 | | 6v+26=10v | | 3x-3x=2x | | 5(2l+4)=64 | | 5m^2-20p^2=0 | | 2=6/j | | -11x=3forx | | P=2*17+2*104 | | 14.2=-4.2+6.8 | | 211=x+68 | | 9x-(3x+2)=7x-11 | | (3b)8=180 | | 2X+X+(3*2X)=27 | | f(x)=10x-50 | | 3(6x+5)=4(4x+6) | | 2.15/1000 | | -2n-6=36-4n | | 1000/2.15 | | G^2=9/64 | | 7-11t=7(7-2t) | | -8=c/-10= | | 5y-4=13y+60 | | 4/3*3,14*15*15*15=x |

Equations solver categories