2x^2-6x+4=x-4

Simple and best practice solution for 2x^2-6x+4=x-4 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 2x^2-6x+4=x-4 equation:


Simplifying
2x2 + -6x + 4 = x + -4

Reorder the terms:
4 + -6x + 2x2 = x + -4

Reorder the terms:
4 + -6x + 2x2 = -4 + x

Solving
4 + -6x + 2x2 = -4 + x

Solving for variable 'x'.

Reorder the terms:
4 + 4 + -6x + -1x + 2x2 = -4 + x + 4 + -1x

Combine like terms: 4 + 4 = 8
8 + -6x + -1x + 2x2 = -4 + x + 4 + -1x

Combine like terms: -6x + -1x = -7x
8 + -7x + 2x2 = -4 + x + 4 + -1x

Reorder the terms:
8 + -7x + 2x2 = -4 + 4 + x + -1x

Combine like terms: -4 + 4 = 0
8 + -7x + 2x2 = 0 + x + -1x
8 + -7x + 2x2 = x + -1x

Combine like terms: x + -1x = 0
8 + -7x + 2x2 = 0

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

Divide each side by '2'.
4 + -3.5x + x2 = 0

Move the constant term to the right:

Add '-4' to each side of the equation.
4 + -3.5x + -4 + x2 = 0 + -4

Reorder the terms:
4 + -4 + -3.5x + x2 = 0 + -4

Combine like terms: 4 + -4 = 0
0 + -3.5x + x2 = 0 + -4
-3.5x + x2 = 0 + -4

Combine like terms: 0 + -4 = -4
-3.5x + x2 = -4

The x term is -3.5x.  Take half its coefficient (-1.75).
Square it (3.0625) and add it to both sides.

Add '3.0625' to each side of the equation.
-3.5x + 3.0625 + x2 = -4 + 3.0625

Reorder the terms:
3.0625 + -3.5x + x2 = -4 + 3.0625

Combine like terms: -4 + 3.0625 = -0.9375
3.0625 + -3.5x + x2 = -0.9375

Factor a perfect square on the left side:
(x + -1.75)(x + -1.75) = -0.9375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 7=11x/2x | | x^2(x^2-17)+16=0 | | 2(3/-6) | | 2-3i/6i | | N-52=4 | | 5+60=5 | | 6x^2+8x-9x-12=0 | | 2x+7=5-8x | | 6k-6(7k-8)=84 | | N-18=78 | | x^6+14=17 | | 4(5x-9)=-2(-x+7) | | -3*3x=0 | | 3(x+5-9)= | | 103+5x=8x+170 | | 5c^2+15c+18=2c^2 | | 3(2x-y)=108forx | | x^2-48x+540=0 | | (x/3)-2=2x-17 | | -35+9x=9+7x | | 3x-0y=27 | | 3x-2y-40=x+3y+20 | | -5d=6/-6 | | 4d+8=6d-4 | | lx-2l=x/3 | | 7(5x+8)=12-x-4 | | 5b-2c^2=3(b-2) | | 3x^2-16x+16=720 | | 2n(3n-4)=0 | | 7x+8a=124 | | -8(5x-6)= | | f(z)=z^2-2z |

Equations solver categories