3x(x)=3x-2

Simple and best practice solution for 3x(x)=3x-2 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(x)=3x-2 equation:


Simplifying
3x(x) = 3x + -2

Multiply x * x
3x2 = 3x + -2

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

Solving
3x2 = -2 + 3x

Solving for variable 'x'.

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

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

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

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

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

Divide each side by '3'.
0.6666666667 + -1x + x2 = 0

Move the constant term to the right:

Add '-0.6666666667' to each side of the equation.
0.6666666667 + -1x + -0.6666666667 + x2 = 0 + -0.6666666667

Reorder the terms:
0.6666666667 + -0.6666666667 + -1x + x2 = 0 + -0.6666666667

Combine like terms: 0.6666666667 + -0.6666666667 = 0.0000000000
0.0000000000 + -1x + x2 = 0 + -0.6666666667
-1x + x2 = 0 + -0.6666666667

Combine like terms: 0 + -0.6666666667 = -0.6666666667
-1x + x2 = -0.6666666667

The x term is -1x.  Take half its coefficient (-0.5).
Square it (0.25) and add it to both sides.

Add '0.25' to each side of the equation.
-1x + 0.25 + x2 = -0.6666666667 + 0.25

Reorder the terms:
0.25 + -1x + x2 = -0.6666666667 + 0.25

Combine like terms: -0.6666666667 + 0.25 = -0.4166666667
0.25 + -1x + x2 = -0.4166666667

Factor a perfect square on the left side:
(x + -0.5)(x + -0.5) = -0.4166666667

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| u=181+21(6) | | 12-24x=4 | | 2m=2.2 | | 7m-11m=36 | | 64x^2=-1 | | 6x-8+2=2x+12+9x | | 4(x+2)=8(x-7) | | 9(7.2)= | | (-4b^3)(2b^5)= | | 15x+0.4y+2z-19.1+3x+10y-z-23.25=90 | | 6w^2+7w+2=0 | | X+28.25=44.00 | | 6x+13y=56 | | 5+2x=2x+6b | | 16x-2=15x | | 49-x=291 | | 36=3x(x)-3x-2(x-2) | | X-14.25=27.50 | | (-7x^4y^2)(-2x^3y)= | | 8t=90-2t | | -3+4x=3x+4 | | 2(-5+7x)=-1-2(1-7x) | | 640=4*130+n | | P+1.7=6.0 | | 5(5-2x)-6(2-x)=7(1x) | | -u+234=147 | | X^2+10x+7=-10 | | 6sin(2x)-3=0 | | 2x+2+3x-3+12=180 | | 3(3-d)-(-2)(d-3)=-(2d-5) | | ln(2x)-ln(x+2)=-1 | | 5+3p=42 |

Equations solver categories