0=3x^2-2x+20

Simple and best practice solution for 0=3x^2-2x+20 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 0=3x^2-2x+20 equation:


Simplifying
0 = 3x2 + -2x + 20

Reorder the terms:
0 = 20 + -2x + 3x2

Solving
0 = 20 + -2x + 3x2

Solving for variable 'x'.

Combine like terms: 0 + -20 = -20
-20 + 2x + -3x2 = 20 + -2x + 3x2 + -20 + 2x + -3x2

Reorder the terms:
-20 + 2x + -3x2 = 20 + -20 + -2x + 2x + 3x2 + -3x2

Combine like terms: 20 + -20 = 0
-20 + 2x + -3x2 = 0 + -2x + 2x + 3x2 + -3x2
-20 + 2x + -3x2 = -2x + 2x + 3x2 + -3x2

Combine like terms: -2x + 2x = 0
-20 + 2x + -3x2 = 0 + 3x2 + -3x2
-20 + 2x + -3x2 = 3x2 + -3x2

Combine like terms: 3x2 + -3x2 = 0
-20 + 2x + -3x2 = 0

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

Divide each side by '-3'.
6.666666667 + -0.6666666667x + x2 = 0

Move the constant term to the right:

Add '-6.666666667' to each side of the equation.
6.666666667 + -0.6666666667x + -6.666666667 + x2 = 0 + -6.666666667

Reorder the terms:
6.666666667 + -6.666666667 + -0.6666666667x + x2 = 0 + -6.666666667

Combine like terms: 6.666666667 + -6.666666667 = 0.000000000
0.000000000 + -0.6666666667x + x2 = 0 + -6.666666667
-0.6666666667x + x2 = 0 + -6.666666667

Combine like terms: 0 + -6.666666667 = -6.666666667
-0.6666666667x + x2 = -6.666666667

The x term is -0.6666666667x.  Take half its coefficient (-0.3333333334).
Square it (0.1111111112) and add it to both sides.

Add '0.1111111112' to each side of the equation.
-0.6666666667x + 0.1111111112 + x2 = -6.666666667 + 0.1111111112

Reorder the terms:
0.1111111112 + -0.6666666667x + x2 = -6.666666667 + 0.1111111112

Combine like terms: -6.666666667 + 0.1111111112 = -6.5555555558
0.1111111112 + -0.6666666667x + x2 = -6.5555555558

Factor a perfect square on the left side:
(x + -0.3333333334)(x + -0.3333333334) = -6.5555555558

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 24y^2+14y+1=0 | | 1.5(b+2)15=2b-9 | | 2(x^2-10-24)=-80 | | (3a+6a)(10+4c)/2 | | 20x-28y-96=0 | | 10p+-2(3p+-6)=4(3p+-6)-8p | | -1/6(x-18)+1/2(x+2)=x+8 | | 7f-17f= | | -4/5x-1+4x=171/5 | | 4+7(5)=39 | | 12p-7p+3p=16 | | Y=X+2.45 | | 5x+7y=200 | | -4/5x-1 | | 2w^4-18w^3-72w^2=0 | | 3.3r-1.07=2.77 | | x=26+2y | | 34=8-2(-13) | | -14u+-10u-(-19u)-13u-(-12u)=18 | | -5-x+1/4x=-11 | | 4x-8y=104 | | 10x^2=16x | | (4)-6= | | 10p+-2(3p+-6)=4(3p+-6)+8p | | (8x^2+36x+36)/(x^2+10x+21) | | 5/6x+1/2+4/6x=10/11 | | 9+w= | | 6k^2+17k+12= | | 5/23=25/x | | 2/3x-1/2x=2/3 | | p-1/3=1/2 | | 9u-u=23 |

Equations solver categories