-(x-8)+4x=2(x+4)x

Simple and best practice solution for -(x-8)+4x=2(x+4)x 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-8)+4x=2(x+4)x equation:


Simplifying
-1(x + -8) + 4x = 2(x + 4) * x

Reorder the terms:
-1(-8 + x) + 4x = 2(x + 4) * x
(-8 * -1 + x * -1) + 4x = 2(x + 4) * x
(8 + -1x) + 4x = 2(x + 4) * x

Combine like terms: -1x + 4x = 3x
8 + 3x = 2(x + 4) * x

Reorder the terms:
8 + 3x = 2(4 + x) * x

Reorder the terms for easier multiplication:
8 + 3x = 2x(4 + x)
8 + 3x = (4 * 2x + x * 2x)
8 + 3x = (8x + 2x2)

Solving
8 + 3x = 8x + 2x2

Solving for variable 'x'.

Combine like terms: 3x + -8x = -5x
8 + -5x + -2x2 = 8x + 2x2 + -8x + -2x2

Reorder the terms:
8 + -5x + -2x2 = 8x + -8x + 2x2 + -2x2

Combine like terms: 8x + -8x = 0
8 + -5x + -2x2 = 0 + 2x2 + -2x2
8 + -5x + -2x2 = 2x2 + -2x2

Combine like terms: 2x2 + -2x2 = 0
8 + -5x + -2x2 = 0

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

Divide each side by '-2'.
-4 + 2.5x + x2 = 0

Move the constant term to the right:

Add '4' to each side of the equation.
-4 + 2.5x + 4 + x2 = 0 + 4

Reorder the terms:
-4 + 4 + 2.5x + x2 = 0 + 4

Combine like terms: -4 + 4 = 0
0 + 2.5x + x2 = 0 + 4
2.5x + x2 = 0 + 4

Combine like terms: 0 + 4 = 4
2.5x + x2 = 4

The x term is 2.5x.  Take half its coefficient (1.25).
Square it (1.5625) and add it to both sides.

Add '1.5625' to each side of the equation.
2.5x + 1.5625 + x2 = 4 + 1.5625

Reorder the terms:
1.5625 + 2.5x + x2 = 4 + 1.5625

Combine like terms: 4 + 1.5625 = 5.5625
1.5625 + 2.5x + x2 = 5.5625

Factor a perfect square on the left side:
(x + 1.25)(x + 1.25) = 5.5625

Calculate the square root of the right side: 2.358495283

Break this problem into two subproblems by setting 
(x + 1.25) equal to 2.358495283 and -2.358495283.

Subproblem 1

x + 1.25 = 2.358495283 Simplifying x + 1.25 = 2.358495283 Reorder the terms: 1.25 + x = 2.358495283 Solving 1.25 + x = 2.358495283 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.25' to each side of the equation. 1.25 + -1.25 + x = 2.358495283 + -1.25 Combine like terms: 1.25 + -1.25 = 0.00 0.00 + x = 2.358495283 + -1.25 x = 2.358495283 + -1.25 Combine like terms: 2.358495283 + -1.25 = 1.108495283 x = 1.108495283 Simplifying x = 1.108495283

Subproblem 2

x + 1.25 = -2.358495283 Simplifying x + 1.25 = -2.358495283 Reorder the terms: 1.25 + x = -2.358495283 Solving 1.25 + x = -2.358495283 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.25' to each side of the equation. 1.25 + -1.25 + x = -2.358495283 + -1.25 Combine like terms: 1.25 + -1.25 = 0.00 0.00 + x = -2.358495283 + -1.25 x = -2.358495283 + -1.25 Combine like terms: -2.358495283 + -1.25 = -3.608495283 x = -3.608495283 Simplifying x = -3.608495283

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.108495283, -3.608495283}

See similar equations:

| 19a(6a-7)= | | a^2c+bc-a^2-b=0 | | -5h-8=5h+8 | | 3(y-5)+2+5y= | | (16b-4)-5(3b+2)=-3 | | -0.2=-1.6 | | 12cos(5x)-5sin(x)+3=0 | | X+(x-19)=71 | | (x-4)+(x+4)+x=138 | | 1.8+7n=-4n | | 3.4z+6.3=-1.7+47.1 | | s^2-82+16=0 | | x+(x-4)=77 | | 6(2x+4y)+10(4x+3y)= | | 45a^2-9a=0 | | 3x-64=180 | | 3m+4n=11 | | 11+ln(29x)=19-2ln(x) | | 3(x+1)+2=14 | | 25-8x/9=-15 | | 5x+2y=-8slope | | 7(-0.38)-6y-8.5=0 | | 113x-(7x/6)-22 | | 0.10(y-2)+0.8y=0.02y-0.01(60) | | .12*x=x+3000+4200 | | 0.7x/0.7x | | -7x-8=-12 | | 2arcsin(-1/2 | | 4(2x+3)+2=3(2x+5)+2x | | A=(56)(51) | | 6pq+3p-4pq= | | 6w=w^2-27 |

Equations solver categories