3x^2-6x+28=0

Simple and best practice solution for 3x^2-6x+28=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^2-6x+28=0 equation:


Simplifying
3x2 + -6x + 28 = 0

Reorder the terms:
28 + -6x + 3x2 = 0

Solving
28 + -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'.
9.333333333 + -2x + x2 = 0

Move the constant term to the right:

Add '-9.333333333' to each side of the equation.
9.333333333 + -2x + -9.333333333 + x2 = 0 + -9.333333333

Reorder the terms:
9.333333333 + -9.333333333 + -2x + x2 = 0 + -9.333333333

Combine like terms: 9.333333333 + -9.333333333 = 0.000000000
0.000000000 + -2x + x2 = 0 + -9.333333333
-2x + x2 = 0 + -9.333333333

Combine like terms: 0 + -9.333333333 = -9.333333333
-2x + x2 = -9.333333333

The x term is -2x.  Take half its coefficient (-1).
Square it (1) and add it to both sides.

Add '1' to each side of the equation.
-2x + 1 + x2 = -9.333333333 + 1

Reorder the terms:
1 + -2x + x2 = -9.333333333 + 1

Combine like terms: -9.333333333 + 1 = -8.333333333
1 + -2x + x2 = -8.333333333

Factor a perfect square on the left side:
(x + -1)(x + -1) = -8.333333333

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 4y=9-183/23 | | 710=120x+y | | 3(f+5)+9=30 | | 5x^7-1x^4-11x^3-2x^2+4=0 | | =(16x+6) | | v/9=-30 | | K+3=-12 | | v/=-30 | | 8/y=0.5/4.5 | | 5−2/3x=11−2/3x | | 30-20= | | 4t^2-9t-37=0 | | 84n^2+48n=0 | | -24=-2v | | 6-3+4x+1=4x-3 | | 13y=23-3x+5z | | h(8)=2(x-7) | | 156/20 | | (1+3i)x+4=3-2i | | 0=-.015x^2+.455x+6 | | 8b^2+26b+4=-11 | | 4(2x+5)=108 | | 0.6666/15 | | 3/2xy-z=a | | 8b^2+26b=-11 | | 6h-5=-4 | | X+89=80 | | A=2r/1-t | | 60a+50b= | | 120=10x+5y | | 300t=300-32t^2 | | G(3)=9X^2+15 |

Equations solver categories