3x-(-2x+6)=4x(x-4)+4

Simple and best practice solution for 3x-(-2x+6)=4x(x-4)+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 3x-(-2x+6)=4x(x-4)+4 equation:


Simplifying
3x + -1(-2x + 6) = 4x(x + -4) + 4

Reorder the terms:
3x + -1(6 + -2x) = 4x(x + -4) + 4
3x + (6 * -1 + -2x * -1) = 4x(x + -4) + 4
3x + (-6 + 2x) = 4x(x + -4) + 4

Reorder the terms:
-6 + 3x + 2x = 4x(x + -4) + 4

Combine like terms: 3x + 2x = 5x
-6 + 5x = 4x(x + -4) + 4

Reorder the terms:
-6 + 5x = 4x(-4 + x) + 4
-6 + 5x = (-4 * 4x + x * 4x) + 4
-6 + 5x = (-16x + 4x2) + 4

Reorder the terms:
-6 + 5x = 4 + -16x + 4x2

Solving
-6 + 5x = 4 + -16x + 4x2

Solving for variable 'x'.

Reorder the terms:
-6 + -4 + 5x + 16x + -4x2 = 4 + -16x + 4x2 + -4 + 16x + -4x2

Combine like terms: -6 + -4 = -10
-10 + 5x + 16x + -4x2 = 4 + -16x + 4x2 + -4 + 16x + -4x2

Combine like terms: 5x + 16x = 21x
-10 + 21x + -4x2 = 4 + -16x + 4x2 + -4 + 16x + -4x2

Reorder the terms:
-10 + 21x + -4x2 = 4 + -4 + -16x + 16x + 4x2 + -4x2

Combine like terms: 4 + -4 = 0
-10 + 21x + -4x2 = 0 + -16x + 16x + 4x2 + -4x2
-10 + 21x + -4x2 = -16x + 16x + 4x2 + -4x2

Combine like terms: -16x + 16x = 0
-10 + 21x + -4x2 = 0 + 4x2 + -4x2
-10 + 21x + -4x2 = 4x2 + -4x2

Combine like terms: 4x2 + -4x2 = 0
-10 + 21x + -4x2 = 0

Begin completing the square.  Divide all terms by
-4 the coefficient of the squared term: 

Divide each side by '-4'.
2.5 + -5.25x + x2 = 0

Move the constant term to the right:

Add '-2.5' to each side of the equation.
2.5 + -5.25x + -2.5 + x2 = 0 + -2.5

Reorder the terms:
2.5 + -2.5 + -5.25x + x2 = 0 + -2.5

Combine like terms: 2.5 + -2.5 = 0.0
0.0 + -5.25x + x2 = 0 + -2.5
-5.25x + x2 = 0 + -2.5

Combine like terms: 0 + -2.5 = -2.5
-5.25x + x2 = -2.5

The x term is -5.25x.  Take half its coefficient (-2.625).
Square it (6.890625) and add it to both sides.

Add '6.890625' to each side of the equation.
-5.25x + 6.890625 + x2 = -2.5 + 6.890625

Reorder the terms:
6.890625 + -5.25x + x2 = -2.5 + 6.890625

Combine like terms: -2.5 + 6.890625 = 4.390625
6.890625 + -5.25x + x2 = 4.390625

Factor a perfect square on the left side:
(x + -2.625)(x + -2.625) = 4.390625

Calculate the square root of the right side: 2.095381827

Break this problem into two subproblems by setting 
(x + -2.625) equal to 2.095381827 and -2.095381827.

Subproblem 1

x + -2.625 = 2.095381827 Simplifying x + -2.625 = 2.095381827 Reorder the terms: -2.625 + x = 2.095381827 Solving -2.625 + x = 2.095381827 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.625' to each side of the equation. -2.625 + 2.625 + x = 2.095381827 + 2.625 Combine like terms: -2.625 + 2.625 = 0.000 0.000 + x = 2.095381827 + 2.625 x = 2.095381827 + 2.625 Combine like terms: 2.095381827 + 2.625 = 4.720381827 x = 4.720381827 Simplifying x = 4.720381827

Subproblem 2

x + -2.625 = -2.095381827 Simplifying x + -2.625 = -2.095381827 Reorder the terms: -2.625 + x = -2.095381827 Solving -2.625 + x = -2.095381827 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.625' to each side of the equation. -2.625 + 2.625 + x = -2.095381827 + 2.625 Combine like terms: -2.625 + 2.625 = 0.000 0.000 + x = -2.095381827 + 2.625 x = -2.095381827 + 2.625 Combine like terms: -2.095381827 + 2.625 = 0.529618173 x = 0.529618173 Simplifying x = 0.529618173

Solution

The solution to the problem is based on the solutions from the subproblems. x = {4.720381827, 0.529618173}

See similar equations:

| 4x-28=-36+8x | | 0.2x-4=-6 | | 0.2=-6+4 | | 5-x-3(2x-3)=2x | | 3x-x/4=70 | | c^2+17cg+70g^2= | | 4(y+8)=-12 | | 6(4a-b)-6(3b-8a)= | | 2m-5+3m-4m+2= | | -20=-6 | | -3/4(16x-4)=24 | | 3x+4=-x+12 | | 2m-5+3m-4m+2=m | | 3-g=15 | | 4x+y+2x+y+y+8+6=180 | | 2x-18=17+9x | | 2x-18=17+9m | | f(x)=9x+2f(5) | | 3x+4-x+1= | | 2=-2(1+2x)-4(x+5) | | 2b+-1= | | (5a^4)(3a^5)= | | 15=5+5r | | 15=5+5 | | -8(-1+m)+3=2(m-5.5) | | y/8=-1 | | 10z+13=43 | | 4n(3n+7)= | | -8(-1+m)+3=2(m-51/2) | | x=2/3(x) | | 8w+12=2(w-9) | | 3x+2yi=18+7i |

Equations solver categories