(x+2)*2=x*x+6

Simple and best practice solution for (x+2)*2=x*x+6 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)*2=x*x+6 equation: 


Simplifying
(x + 2) * 2 = x * x + 6

Reorder the terms:
(2 + x) * 2 = x * x + 6

Reorder the terms for easier multiplication:
2(2 + x) = x * x + 6
(2 * 2 + x * 2) = x * x + 6
(4 + 2x) = x * x + 6

Multiply x * x
4 + 2x = x2 + 6

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

Solving
4 + 2x = 6 + x2

Solving for variable 'x'.

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

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

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

Combine like terms: 6 + -6 = 0
-2 + 2x + -1x2 = 0 + x2 + -1x2
-2 + 2x + -1x2 = x2 + -1x2

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

Begin completing the square.  Divide all terms by
-1 the coefficient of the squared term: 

Divide each side by '-1'.
2 + -2x + x2 = 0

Move the constant term to the right:

Add '-2' to each side of the equation.
2 + -2x + -2 + x2 = 0 + -2

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

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

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

The x term is -2x.  Take half its coefficient (-1).
Square it (1) and add it to both sides.

Add '1' to each side of the equation.
-2x + 1 + x2 = -2 + 1

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

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

Factor a perfect square on the left side:
(x + -1)(x + -1) = -1

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 9x-9-8-1=180 | | x^4+4x^3+4x^2=16x | | -6x=162 | | 5x-19-14-7=180 | | 2(x-5)+8=3(1-x) | | 4x^2+27x-3=21-2x | | x^4+4x^3+4x^2=16 | | 3z-1=3z+3 | | 5/a=7/5 | | (x-6)(x+2)(x+7)=0 | | k=9(3.14)n | | (x^2-7x-11)/(x-8) | | 6t-12=144 | | -4(3-2x)=2(10-8x) | | a(a+4)=71.69 | | -a/6=24 | | 3t^2-12t+2=0 | | 9/20 | | 0.3x=1720 | | 8x^2=12x-3 | | =3x^3+24x^2+48x | | 8u^2-53u+30= | | 32-y=7 | | 15q+32+17=180 | | 6c-38+28+32=180 | | (27p^2)/(9p^-4) | | (4c-10)+c=180 | | 121x^2-81y^2= | | 5t+20=48 | | 12d-3d=8d | | 4x+10=(x^2+5x) | | 7s-12=180 |

Equations solver categories