x^2+6x+8=2x

Simple and best practice solution for x^2+6x+8=2x 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 x^2+6x+8=2x equation:


Simplifying
x2 + 6x + 8 = 2x

Reorder the terms:
8 + 6x + x2 = 2x

Solving
8 + 6x + x2 = 2x

Solving for variable 'x'.

Reorder the terms:
8 + 6x + -2x + x2 = 2x + -2x

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

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

Begin completing the square.

Move the constant term to the right:

Add '-8' to each side of the equation.
8 + 4x + -8 + x2 = 0 + -8

Reorder the terms:
8 + -8 + 4x + x2 = 0 + -8

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

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

The x term is 4x.  Take half its coefficient (2).
Square it (4) and add it to both sides.

Add '4' to each side of the equation.
4x + 4 + x2 = -8 + 4

Reorder the terms:
4 + 4x + x2 = -8 + 4

Combine like terms: -8 + 4 = -4
4 + 4x + x2 = -4

Factor a perfect square on the left side:
(x + 2)(x + 2) = -4

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| -6y+12=6 | | x^2+18x-126=0 | | z+(2+i)z=3+5i | | 30+3x+40+2x=180 | | 999=3r | | 24+x=3x+2 | | 26x+-8=9x+5 | | (x-12)*(x+20)=x^2 | | (x-12)*(x+20)=x | | (3x+-4)=0 | | x+220+40=1440 | | 5(3x+-4)=5 | | 6x+-8=15x+5 | | 6x-8=12x+5 | | (3x-4)(x-1)+21-(x-1)(3x+5)=0 | | 5x+4=6+4x | | 9y-5x=10 | | x+(x+40)+(x+40+220)=1440 | | 336=3x*x | | 3x+9=16+2 | | x+(x+40)+(x+40+220)=1400 | | z+y+x=180 | | 8(3n+2)-7= | | 5x-6=-39 | | -3x-8y=-84 | | 5-(x-2)=4x-9 | | (1+s)3=1.15 | | 130+90+x=180 | | 120+90=180 | | 3tan+2=0 | | 8xy-4y/3x-3 | | 3x+7=5x+4 |

Equations solver categories