x+x(2x-5)=23

Simple and best practice solution for x+x(2x-5)=23 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+x(2x-5)=23 equation:


Simplifying
x + x(2x + -5) = 23

Reorder the terms:
x + x(-5 + 2x) = 23
x + (-5 * x + 2x * x) = 23
x + (-5x + 2x2) = 23

Combine like terms: x + -5x = -4x
-4x + 2x2 = 23

Solving
-4x + 2x2 = 23

Solving for variable 'x'.

Reorder the terms:
-23 + -4x + 2x2 = 23 + -23

Combine like terms: 23 + -23 = 0
-23 + -4x + 2x2 = 0

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

Divide each side by '2'.
-11.5 + -2x + x2 = 0

Move the constant term to the right:

Add '11.5' to each side of the equation.
-11.5 + -2x + 11.5 + x2 = 0 + 11.5

Reorder the terms:
-11.5 + 11.5 + -2x + x2 = 0 + 11.5

Combine like terms: -11.5 + 11.5 = 0.0
0.0 + -2x + x2 = 0 + 11.5
-2x + x2 = 0 + 11.5

Combine like terms: 0 + 11.5 = 11.5
-2x + x2 = 11.5

The x term is -2x.  Take half its coefficient (-1).
Square it (1) and add it to both sides.

Add '1' to each side of the equation.
-2x + 1 + x2 = 11.5 + 1

Reorder the terms:
1 + -2x + x2 = 11.5 + 1

Combine like terms: 11.5 + 1 = 12.5
1 + -2x + x2 = 12.5

Factor a perfect square on the left side:
(x + -1)(x + -1) = 12.5

Calculate the square root of the right side: 3.535533906

Break this problem into two subproblems by setting 
(x + -1) equal to 3.535533906 and -3.535533906.

Subproblem 1

x + -1 = 3.535533906 Simplifying x + -1 = 3.535533906 Reorder the terms: -1 + x = 3.535533906 Solving -1 + x = 3.535533906 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + x = 3.535533906 + 1 Combine like terms: -1 + 1 = 0 0 + x = 3.535533906 + 1 x = 3.535533906 + 1 Combine like terms: 3.535533906 + 1 = 4.535533906 x = 4.535533906 Simplifying x = 4.535533906

Subproblem 2

x + -1 = -3.535533906 Simplifying x + -1 = -3.535533906 Reorder the terms: -1 + x = -3.535533906 Solving -1 + x = -3.535533906 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + x = -3.535533906 + 1 Combine like terms: -1 + 1 = 0 0 + x = -3.535533906 + 1 x = -3.535533906 + 1 Combine like terms: -3.535533906 + 1 = -2.535533906 x = -2.535533906 Simplifying x = -2.535533906

Solution

The solution to the problem is based on the solutions from the subproblems. x = {4.535533906, -2.535533906}

See similar equations:

| X^3-4x^2-3x-2=0 | | 91/8=-5/4p-4p= | | 2x-15+9+7=180 | | 65=71-k | | x+5+2x-3+x+2=180 | | -5y+-20=3y-12 | | -17+x=x+30 | | X/2-x/4=-1/8 | | 1.2+2.6x=4.56 | | 15n-54=36 | | 6p+47=227 | | 4x-17=9x+15 | | 8x+33=153 | | 15=x-7x | | 5x-Ax=B | | j-.6=-5.2 | | -84+4=36 | | 30w-65=145 | | ab-2a+5b-10= | | -4x+6=2 | | 47.50/4=n | | -(2x+4)= | | 5a+4=2 | | 5a+4=90 | | (y-5)(y+3)=0 | | 6(u-4)-8u=-16 | | 75x^2-90x-4=0 | | H(x)=15.00+.07x | | x^2+2y+3x=420 | | 2-t5-3/(4t) | | 7x-13=x+2 | | -6(2x-10)-4x+9= |

Equations solver categories