2=x^2-5x

Simple and best practice solution for 2=x^2-5x 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 2=x^2-5x equation:


Simplifying
2 = x2 + -5x

Reorder the terms:
2 = -5x + x2

Solving
2 = -5x + x2

Solving for variable 'x'.

Reorder the terms:
2 + 5x + -1x2 = -5x + 5x + x2 + -1x2

Combine like terms: -5x + 5x = 0
2 + 5x + -1x2 = 0 + x2 + -1x2
2 + 5x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
2 + 5x + -1x2 = 0

Begin completing the square.  Divide all terms by
-1 the coefficient of the squared term: 

Divide each side by '-1'.
-2 + -5x + x2 = 0

Move the constant term to the right:

Add '2' to each side of the equation.
-2 + -5x + 2 + x2 = 0 + 2

Reorder the terms:
-2 + 2 + -5x + x2 = 0 + 2

Combine like terms: -2 + 2 = 0
0 + -5x + x2 = 0 + 2
-5x + x2 = 0 + 2

Combine like terms: 0 + 2 = 2
-5x + x2 = 2

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 = 2 + 6.25

Reorder the terms:
6.25 + -5x + x2 = 2 + 6.25

Combine like terms: 2 + 6.25 = 8.25
6.25 + -5x + x2 = 8.25

Factor a perfect square on the left side:
(x + -2.5)(x + -2.5) = 8.25

Calculate the square root of the right side: 2.872281323

Break this problem into two subproblems by setting 
(x + -2.5) equal to 2.872281323 and -2.872281323.

Subproblem 1

x + -2.5 = 2.872281323 Simplifying x + -2.5 = 2.872281323 Reorder the terms: -2.5 + x = 2.872281323 Solving -2.5 + x = 2.872281323 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 = 2.872281323 + 2.5 Combine like terms: -2.5 + 2.5 = 0.0 0.0 + x = 2.872281323 + 2.5 x = 2.872281323 + 2.5 Combine like terms: 2.872281323 + 2.5 = 5.372281323 x = 5.372281323 Simplifying x = 5.372281323

Subproblem 2

x + -2.5 = -2.872281323 Simplifying x + -2.5 = -2.872281323 Reorder the terms: -2.5 + x = -2.872281323 Solving -2.5 + x = -2.872281323 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 = -2.872281323 + 2.5 Combine like terms: -2.5 + 2.5 = 0.0 0.0 + x = -2.872281323 + 2.5 x = -2.872281323 + 2.5 Combine like terms: -2.872281323 + 2.5 = -0.372281323 x = -0.372281323 Simplifying x = -0.372281323

Solution

The solution to the problem is based on the solutions from the subproblems. x = {5.372281323, -0.372281323}

See similar equations:

| 13/7(1/4) | | 4z^2-24z+30=0 | | 12x+21=10x+26 | | 1+1-2-5+54*X= | | 2cosx+4= | | Y/3-12=-2 | | .5n+3= | | .5+3= | | d+1.7=-1.3 | | f=epd*e | | (6xy^2+5x^2y-2y^2)-(-3x^2y-7xy^2+y^2)= | | 3(4x-17)=5 | | -12k^2+k+20=0 | | 25x^3-10x^2-3x-4=0 | | X+3=2z | | 4x+my=ny-3 | | .3n=6 | | a*a*a=125 | | 0=2x^2-1x-64 | | 48=3(x+3) | | 13x-12=4x+16 | | 3a-15=5 | | -10n^2-26n+3636=0 | | I/-2-8i | | log[5](5x-7)=1 | | 4c+12-6=10 | | 0=6x^2-18x-168 | | y=-0.73x^4+2.8x^3+26.3 | | X+2x+6+7x=2x-2 | | 20-2(4+y)+10=60 | | -7-5p=18 | | x(x+1)=120 |

Equations solver categories