2X(X-4)=4X+1

Simple and best practice solution for 2X(X-4)=4X+1 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 2X(X-4)=4X+1 equation:


Simplifying
2X(X + -4) = 4X + 1

Reorder the terms:
2X(-4 + X) = 4X + 1
(-4 * 2X + X * 2X) = 4X + 1
(-8X + 2X2) = 4X + 1

Reorder the terms:
-8X + 2X2 = 1 + 4X

Solving
-8X + 2X2 = 1 + 4X

Solving for variable 'X'.

Reorder the terms:
-1 + -8X + -4X + 2X2 = 1 + 4X + -1 + -4X

Combine like terms: -8X + -4X = -12X
-1 + -12X + 2X2 = 1 + 4X + -1 + -4X

Reorder the terms:
-1 + -12X + 2X2 = 1 + -1 + 4X + -4X

Combine like terms: 1 + -1 = 0
-1 + -12X + 2X2 = 0 + 4X + -4X
-1 + -12X + 2X2 = 4X + -4X

Combine like terms: 4X + -4X = 0
-1 + -12X + 2X2 = 0

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

Divide each side by '2'.
-0.5 + -6X + X2 = 0

Move the constant term to the right:

Add '0.5' to each side of the equation.
-0.5 + -6X + 0.5 + X2 = 0 + 0.5

Reorder the terms:
-0.5 + 0.5 + -6X + X2 = 0 + 0.5

Combine like terms: -0.5 + 0.5 = 0.0
0.0 + -6X + X2 = 0 + 0.5
-6X + X2 = 0 + 0.5

Combine like terms: 0 + 0.5 = 0.5
-6X + X2 = 0.5

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 = 0.5 + 9

Reorder the terms:
9 + -6X + X2 = 0.5 + 9

Combine like terms: 0.5 + 9 = 9.5
9 + -6X + X2 = 9.5

Factor a perfect square on the left side:
(X + -3)(X + -3) = 9.5

Calculate the square root of the right side: 3.082207001

Break this problem into two subproblems by setting 
(X + -3) equal to 3.082207001 and -3.082207001.

Subproblem 1

X + -3 = 3.082207001 Simplifying X + -3 = 3.082207001 Reorder the terms: -3 + X = 3.082207001 Solving -3 + X = 3.082207001 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 = 3.082207001 + 3 Combine like terms: -3 + 3 = 0 0 + X = 3.082207001 + 3 X = 3.082207001 + 3 Combine like terms: 3.082207001 + 3 = 6.082207001 X = 6.082207001 Simplifying X = 6.082207001

Subproblem 2

X + -3 = -3.082207001 Simplifying X + -3 = -3.082207001 Reorder the terms: -3 + X = -3.082207001 Solving -3 + X = -3.082207001 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 = -3.082207001 + 3 Combine like terms: -3 + 3 = 0 0 + X = -3.082207001 + 3 X = -3.082207001 + 3 Combine like terms: -3.082207001 + 3 = -0.082207001 X = -0.082207001 Simplifying X = -0.082207001

Solution

The solution to the problem is based on the solutions from the subproblems. X = {6.082207001, -0.082207001}

See similar equations:

| 5q-7=2 | | 3z+(2)=8 | | 5q-7=2/3 | | 7f/11=7/11 | | x^2=15xy | | 83=5w+13 | | 3z+(10)=19 | | 10t+4(1-3t)= | | 7x+3=-17-3x | | y^2-10y+20=0 | | b^2-b-30=0 | | -105=5+10x | | 3a-10a= | | -146=-7(1-3x)+8 | | 2x^2+44=0 | | 9x+4(x-9)-7(y-9)= | | 5=8+y | | 0.20y-0.2=0.10y+3-0.7y | | x^2-4x-0.25=0 | | 7s-2=-11+6s | | 3xy+1=2y-5x | | 34p=-34 | | a^2-14a+0=0 | | 13r+10=5r-26 | | 13r+10=5t-46 | | 7(8p-6)= | | xy+2x+5y+10=0 | | y-2y-2=0 | | 3p^2+50p-72=0 | | 2s-7-4=14 | | (2x^2-4x-16)+(7x^2+7x)= | | x^2+12x+7= |

Equations solver categories