6x+5=0.5x(x+6)-4

Simple and best practice solution for 6x+5=0.5x(x+6)-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 6x+5=0.5x(x+6)-4 equation:


Simplifying
6x + 5 = 0.5x(x + 6) + -4

Reorder the terms:
5 + 6x = 0.5x(x + 6) + -4

Reorder the terms:
5 + 6x = 0.5x(6 + x) + -4
5 + 6x = (6 * 0.5x + x * 0.5x) + -4
5 + 6x = (3x + 0.5x2) + -4

Reorder the terms:
5 + 6x = -4 + 3x + 0.5x2

Solving
5 + 6x = -4 + 3x + 0.5x2

Solving for variable 'x'.

Reorder the terms:
5 + 4 + 6x + -3x + -0.5x2 = -4 + 3x + 0.5x2 + 4 + -3x + -0.5x2

Combine like terms: 5 + 4 = 9
9 + 6x + -3x + -0.5x2 = -4 + 3x + 0.5x2 + 4 + -3x + -0.5x2

Combine like terms: 6x + -3x = 3x
9 + 3x + -0.5x2 = -4 + 3x + 0.5x2 + 4 + -3x + -0.5x2

Reorder the terms:
9 + 3x + -0.5x2 = -4 + 4 + 3x + -3x + 0.5x2 + -0.5x2

Combine like terms: -4 + 4 = 0
9 + 3x + -0.5x2 = 0 + 3x + -3x + 0.5x2 + -0.5x2
9 + 3x + -0.5x2 = 3x + -3x + 0.5x2 + -0.5x2

Combine like terms: 3x + -3x = 0
9 + 3x + -0.5x2 = 0 + 0.5x2 + -0.5x2
9 + 3x + -0.5x2 = 0.5x2 + -0.5x2

Combine like terms: 0.5x2 + -0.5x2 = 0.0
9 + 3x + -0.5x2 = 0.0

Begin completing the square.  Divide all terms by
-0.5 the coefficient of the squared term: 

Divide each side by '-0.5'.
-18 + -6x + x2 = 0

Move the constant term to the right:

Add '18' to each side of the equation.
-18 + -6x + 18 + x2 = 0 + 18

Reorder the terms:
-18 + 18 + -6x + x2 = 0 + 18

Combine like terms: -18 + 18 = 0
0 + -6x + x2 = 0 + 18
-6x + x2 = 0 + 18

Combine like terms: 0 + 18 = 18
-6x + x2 = 18

The x term is -6x.  Take half its coefficient (-3).
Square it (9) and add it to both sides.

Add '9' to each side of the equation.
-6x + 9 + x2 = 18 + 9

Reorder the terms:
9 + -6x + x2 = 18 + 9

Combine like terms: 18 + 9 = 27
9 + -6x + x2 = 27

Factor a perfect square on the left side:
(x + -3)(x + -3) = 27

Calculate the square root of the right side: 5.196152423

Break this problem into two subproblems by setting 
(x + -3) equal to 5.196152423 and -5.196152423.

Subproblem 1

x + -3 = 5.196152423 Simplifying x + -3 = 5.196152423 Reorder the terms: -3 + x = 5.196152423 Solving -3 + x = 5.196152423 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + x = 5.196152423 + 3 Combine like terms: -3 + 3 = 0 0 + x = 5.196152423 + 3 x = 5.196152423 + 3 Combine like terms: 5.196152423 + 3 = 8.196152423 x = 8.196152423 Simplifying x = 8.196152423

Subproblem 2

x + -3 = -5.196152423 Simplifying x + -3 = -5.196152423 Reorder the terms: -3 + x = -5.196152423 Solving -3 + x = -5.196152423 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + x = -5.196152423 + 3 Combine like terms: -3 + 3 = 0 0 + x = -5.196152423 + 3 x = -5.196152423 + 3 Combine like terms: -5.196152423 + 3 = -2.196152423 x = -2.196152423 Simplifying x = -2.196152423

Solution

The solution to the problem is based on the solutions from the subproblems. x = {8.196152423, -2.196152423}

See similar equations:

| -55=8+7(k-5) | | -1.5y=3 | | .3-.12w=1+.002 | | 12-23x=7(9-x) | | -3x+9=4x+9-7x | | 3x^2-2x-16= | | -2(4y-10)-y=-2(y-3) | | 4x-6x+4=x-5+9 | | 3(n-5)-(6-2n)=4 | | (v)(v)+12v+20=0 | | 7x+5x+2+7=8x+4+3x | | -1-6(-1)+5= | | -1.2-3x=6.9 | | 10(3y+2)=80 | | 3x+8-5(x+1)=6x+8 | | 16x+2+12+1=11.30 | | -20x=-8 | | 16x+12=11.30 | | 10x^2-29xy+10y^2= | | 8=-(2*-2-4) | | a+b+c=36 | | x+xy=36 | | x^2+14y=10 | | 0.002(3-k)+0.07(k-3)=1 | | -.02-.02(3-5p)=.06(p-4)-.08 | | -375p=1050 | | (4)x*x+2x=17 | | y=17-2(4) | | x(5x-2)+x(3x-6)=(8x+4)(x-1) | | 4x^2+8x=11 | | 4x^2-8x=11 | | 8=-(2r-4) |

Equations solver categories