9x(x-4)=9x-37

Simple and best practice solution for 9x(x-4)=9x-37 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 9x(x-4)=9x-37 equation:


Simplifying
9x(x + -4) = 9x + -37

Reorder the terms:
9x(-4 + x) = 9x + -37
(-4 * 9x + x * 9x) = 9x + -37
(-36x + 9x2) = 9x + -37

Reorder the terms:
-36x + 9x2 = -37 + 9x

Solving
-36x + 9x2 = -37 + 9x

Solving for variable 'x'.

Reorder the terms:
37 + -36x + -9x + 9x2 = -37 + 9x + 37 + -9x

Combine like terms: -36x + -9x = -45x
37 + -45x + 9x2 = -37 + 9x + 37 + -9x

Reorder the terms:
37 + -45x + 9x2 = -37 + 37 + 9x + -9x

Combine like terms: -37 + 37 = 0
37 + -45x + 9x2 = 0 + 9x + -9x
37 + -45x + 9x2 = 9x + -9x

Combine like terms: 9x + -9x = 0
37 + -45x + 9x2 = 0

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

Divide each side by '9'.
4.111111111 + -5x + x2 = 0

Move the constant term to the right:

Add '-4.111111111' to each side of the equation.
4.111111111 + -5x + -4.111111111 + x2 = 0 + -4.111111111

Reorder the terms:
4.111111111 + -4.111111111 + -5x + x2 = 0 + -4.111111111

Combine like terms: 4.111111111 + -4.111111111 = 0.000000000
0.000000000 + -5x + x2 = 0 + -4.111111111
-5x + x2 = 0 + -4.111111111

Combine like terms: 0 + -4.111111111 = -4.111111111
-5x + x2 = -4.111111111

The x term is -5x.  Take half its coefficient (-2.5).
Square it (6.25) and add it to both sides.

Add '6.25' to each side of the equation.
-5x + 6.25 + x2 = -4.111111111 + 6.25

Reorder the terms:
6.25 + -5x + x2 = -4.111111111 + 6.25

Combine like terms: -4.111111111 + 6.25 = 2.138888889
6.25 + -5x + x2 = 2.138888889

Factor a perfect square on the left side:
(x + -2.5)(x + -2.5) = 2.138888889

Calculate the square root of the right side: 1.462494065

Break this problem into two subproblems by setting 
(x + -2.5) equal to 1.462494065 and -1.462494065.

Subproblem 1

x + -2.5 = 1.462494065 Simplifying x + -2.5 = 1.462494065 Reorder the terms: -2.5 + x = 1.462494065 Solving -2.5 + x = 1.462494065 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.5' to each side of the equation. -2.5 + 2.5 + x = 1.462494065 + 2.5 Combine like terms: -2.5 + 2.5 = 0.0 0.0 + x = 1.462494065 + 2.5 x = 1.462494065 + 2.5 Combine like terms: 1.462494065 + 2.5 = 3.962494065 x = 3.962494065 Simplifying x = 3.962494065

Subproblem 2

x + -2.5 = -1.462494065 Simplifying x + -2.5 = -1.462494065 Reorder the terms: -2.5 + x = -1.462494065 Solving -2.5 + x = -1.462494065 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.5' to each side of the equation. -2.5 + 2.5 + x = -1.462494065 + 2.5 Combine like terms: -2.5 + 2.5 = 0.0 0.0 + x = -1.462494065 + 2.5 x = -1.462494065 + 2.5 Combine like terms: -1.462494065 + 2.5 = 1.037505935 x = 1.037505935 Simplifying x = 1.037505935

Solution

The solution to the problem is based on the solutions from the subproblems. x = {3.962494065, 1.037505935}

See similar equations:

| Y=X^2-10+26 | | 228=x+2x | | -4.9+x=-4 | | sec(5x/4)=2 | | 4x-2x=32 | | 8+2logX=7 | | 2x+5=7x-28 | | 3/x-3=5/2x-2 | | Log*100= | | logx-log(2x-1)=0 | | lgx=0.42 | | logx=0.42 | | 10=9y-8.5y | | Fx=5x+8 | | 12x-14+5=7x-4 | | -8y+5.5y=-8 | | 5(6-9)/-3 | | 5(6-9)/3 | | x*x/5-x(54.4*2/x)=15 | | (x-1)(x-1)+15=-1 | | 2+3w=-10 | | -6.8+x=7.8 | | (x-1)+15=-1 | | -5p^2+100p=0 | | 6n=38 | | 21=6(21+2)-3 | | 3+c+2= | | 12x+10y=2 | | 7x-13=x-8 | | 8x+1=4x+11 | | 3/5p=15 | | 2(x-3)-7=18-5(x-4) |

Equations solver categories