x(x-2)-2=2(x-5)+4x

Simple and best practice solution for x(x-2)-2=2(x-5)+4x 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(x-2)-2=2(x-5)+4x equation:


Simplifying
x(x + -2) + -2 = 2(x + -5) + 4x

Reorder the terms:
x(-2 + x) + -2 = 2(x + -5) + 4x
(-2 * x + x * x) + -2 = 2(x + -5) + 4x
(-2x + x2) + -2 = 2(x + -5) + 4x

Reorder the terms:
-2 + -2x + x2 = 2(x + -5) + 4x

Reorder the terms:
-2 + -2x + x2 = 2(-5 + x) + 4x
-2 + -2x + x2 = (-5 * 2 + x * 2) + 4x
-2 + -2x + x2 = (-10 + 2x) + 4x

Combine like terms: 2x + 4x = 6x
-2 + -2x + x2 = -10 + 6x

Solving
-2 + -2x + x2 = -10 + 6x

Solving for variable 'x'.

Reorder the terms:
-2 + 10 + -2x + -6x + x2 = -10 + 6x + 10 + -6x

Combine like terms: -2 + 10 = 8
8 + -2x + -6x + x2 = -10 + 6x + 10 + -6x

Combine like terms: -2x + -6x = -8x
8 + -8x + x2 = -10 + 6x + 10 + -6x

Reorder the terms:
8 + -8x + x2 = -10 + 10 + 6x + -6x

Combine like terms: -10 + 10 = 0
8 + -8x + x2 = 0 + 6x + -6x
8 + -8x + x2 = 6x + -6x

Combine like terms: 6x + -6x = 0
8 + -8x + x2 = 0

Begin completing the square.

Move the constant term to the right:

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

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

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

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

The x term is -8x.  Take half its coefficient (-4).
Square it (16) and add it to both sides.

Add '16' to each side of the equation.
-8x + 16 + x2 = -8 + 16

Reorder the terms:
16 + -8x + x2 = -8 + 16

Combine like terms: -8 + 16 = 8
16 + -8x + x2 = 8

Factor a perfect square on the left side:
(x + -4)(x + -4) = 8

Calculate the square root of the right side: 2.828427125

Break this problem into two subproblems by setting 
(x + -4) equal to 2.828427125 and -2.828427125.

Subproblem 1

x + -4 = 2.828427125 Simplifying x + -4 = 2.828427125 Reorder the terms: -4 + x = 2.828427125 Solving -4 + x = 2.828427125 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + x = 2.828427125 + 4 Combine like terms: -4 + 4 = 0 0 + x = 2.828427125 + 4 x = 2.828427125 + 4 Combine like terms: 2.828427125 + 4 = 6.828427125 x = 6.828427125 Simplifying x = 6.828427125

Subproblem 2

x + -4 = -2.828427125 Simplifying x + -4 = -2.828427125 Reorder the terms: -4 + x = -2.828427125 Solving -4 + x = -2.828427125 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + x = -2.828427125 + 4 Combine like terms: -4 + 4 = 0 0 + x = -2.828427125 + 4 x = -2.828427125 + 4 Combine like terms: -2.828427125 + 4 = 1.171572875 x = 1.171572875 Simplifying x = 1.171572875

Solution

The solution to the problem is based on the solutions from the subproblems. x = {6.828427125, 1.171572875}

See similar equations:

| 0.666x+11=7 | | 4x+6=12x-9 | | -10x+10=0 | | 2(x+15)=-8 | | 8x-6=2(5-g) | | -8m+2=-7m+8 | | 5x-(6-x)=4(1-x) | | 7x^2-62x=0 | | y^2-11y-16=0 | | 23-r=18 | | -10=-5x-(25) | | 6(5c-8)-20=11(2k-3)+3k | | y^2-13y-16=0 | | -3=h+4 | | 3xy=x+8 | | 27=-5x-8 | | 8(x+2)+4x=16 | | 2x^2-62=0 | | 0.666x-0.666=0 | | 2x=y-x | | 70x+25(100)=60x+60*100 | | 7x-4=3x-12 | | -4(2a-1)=-10(a-5) | | -2-3h=-h+3h-7 | | 5u^2=-11u-2 | | Ln(7x)-ln(6y)= | | 9q-14+3(q-8)= | | 55-(2c+3)=4(c+6)+c | | 4P-3Q=2D | | 2x+2(x+2)=20 | | 2(9x+6)=3(2x+8) | | 3(2X-3)(2X-3)-5= |

Equations solver categories