3x^2-x=x-16

Simple and best practice solution for 3x^2-x=x-16 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-x=x-16 equation:


Simplifying
3x2 + -1x = x + -16

Reorder the terms:
-1x + 3x2 = x + -16

Reorder the terms:
-1x + 3x2 = -16 + x

Solving
-1x + 3x2 = -16 + x

Solving for variable 'x'.

Reorder the terms:
16 + -1x + -1x + 3x2 = -16 + x + 16 + -1x

Combine like terms: -1x + -1x = -2x
16 + -2x + 3x2 = -16 + x + 16 + -1x

Reorder the terms:
16 + -2x + 3x2 = -16 + 16 + x + -1x

Combine like terms: -16 + 16 = 0
16 + -2x + 3x2 = 0 + x + -1x
16 + -2x + 3x2 = x + -1x

Combine like terms: x + -1x = 0
16 + -2x + 3x2 = 0

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

Divide each side by '3'.
5.333333333 + -0.6666666667x + x2 = 0

Move the constant term to the right:

Add '-5.333333333' to each side of the equation.
5.333333333 + -0.6666666667x + -5.333333333 + x2 = 0 + -5.333333333

Reorder the terms:
5.333333333 + -5.333333333 + -0.6666666667x + x2 = 0 + -5.333333333

Combine like terms: 5.333333333 + -5.333333333 = 0.000000000
0.000000000 + -0.6666666667x + x2 = 0 + -5.333333333
-0.6666666667x + x2 = 0 + -5.333333333

Combine like terms: 0 + -5.333333333 = -5.333333333
-0.6666666667x + x2 = -5.333333333

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 = -5.333333333 + 0.1111111112

Reorder the terms:
0.1111111112 + -0.6666666667x + x2 = -5.333333333 + 0.1111111112

Combine like terms: -5.333333333 + 0.1111111112 = -5.2222222218
0.1111111112 + -0.6666666667x + x2 = -5.2222222218

Factor a perfect square on the left side:
(x + -0.3333333334)(x + -0.3333333334) = -5.2222222218

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 159-7x=29x+19 | | 8d-5=3 | | X+2x-2=7 | | 7c-12=16 | | -48=2x^2 | | 8x+3=7x+4 | | 13-7x=78-42x | | 13x+10=12x+12 | | 6b-7=5 | | 7x+2=6x+10 | | 2(y+3)=y+11 | | 5a-11=4 | | x^2=-14 | | 3x+2x-4=16 | | 4t-9=3 | | 85-3x=11-8x | | 1+1+x= | | 12+x^2=8x-12 | | x-3=0.5*x | | -2x^2-1=-2x | | 4a^2-1=0 | | 17y+14X-183W= | | 4w+3x-y+4w-14x-6y= | | 5x-3y+14w-4y-6w-6x= | | 3K-4=3 | | 8(2X+1)=-16 | | 5M-4=49 | | 7x*28=77 | | 6=x-2 | | (x-8)(2x+9)=0 | | 4w+8y+5x+6x-15y+4w= | | 58-7x=2x+17 |

Equations solver categories