x^2-5x+2=5

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


Simplifying
x2 + -5x + 2 = 5

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

Solving
2 + -5x + x2 = 5

Solving for variable 'x'.

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

Combine like terms: 2 + -5 = -3
-3 + -5x + x2 = 5 + -5

Combine like terms: 5 + -5 = 0
-3 + -5x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '3' to each side of the equation.
-3 + -5x + 3 + x2 = 0 + 3

Reorder the terms:
-3 + 3 + -5x + x2 = 0 + 3

Combine like terms: -3 + 3 = 0
0 + -5x + x2 = 0 + 3
-5x + x2 = 0 + 3

Combine like terms: 0 + 3 = 3
-5x + x2 = 3

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 = 3 + 6.25

Reorder the terms:
6.25 + -5x + x2 = 3 + 6.25

Combine like terms: 3 + 6.25 = 9.25
6.25 + -5x + x2 = 9.25

Factor a perfect square on the left side:
(x + -2.5)(x + -2.5) = 9.25

Calculate the square root of the right side: 3.041381265

Break this problem into two subproblems by setting 
(x + -2.5) equal to 3.041381265 and -3.041381265.

Subproblem 1

x + -2.5 = 3.041381265 Simplifying x + -2.5 = 3.041381265 Reorder the terms: -2.5 + x = 3.041381265 Solving -2.5 + x = 3.041381265 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 = 3.041381265 + 2.5 Combine like terms: -2.5 + 2.5 = 0.0 0.0 + x = 3.041381265 + 2.5 x = 3.041381265 + 2.5 Combine like terms: 3.041381265 + 2.5 = 5.541381265 x = 5.541381265 Simplifying x = 5.541381265

Subproblem 2

x + -2.5 = -3.041381265 Simplifying x + -2.5 = -3.041381265 Reorder the terms: -2.5 + x = -3.041381265 Solving -2.5 + x = -3.041381265 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 = -3.041381265 + 2.5 Combine like terms: -2.5 + 2.5 = 0.0 0.0 + x = -3.041381265 + 2.5 x = -3.041381265 + 2.5 Combine like terms: -3.041381265 + 2.5 = -0.541381265 x = -0.541381265 Simplifying x = -0.541381265

Solution

The solution to the problem is based on the solutions from the subproblems. x = {5.541381265, -0.541381265}

See similar equations:

| (3n+23)+(5n+29)=180 | | 7x^2-(3-x^2)= | | 7y+14c=35 | | 14-2y-4y=-136 | | m/3+10=75 | | 3n+23=5n+29 | | 4h+2h-9=-33 | | 31+14y=12y+1 | | 6x+14x=160 | | 3(x-5)=-2x-5 | | 6x+6x=84 | | 20x-15=12x+9 | | 5(3x+y)=5(3x+1y) | | m^4-6m^3+9m^2=0 | | 2x-40+80=180 | | -12x+14=62 | | k-2=4 | | 62=-12x+4 | | 7=9+k | | x-(-19)=8 | | 7x+(9x+8)=(7x+9x)+8 | | 27-3x^2=0 | | X-2(x-5)=8.4 | | -x-1=8x-5 | | 4(-x+1)+.125(24x-12)=0 | | -72x+9=18x+17 | | 8(3n-6)-3(-7-7n)=18 | | 2g+3(-3+3g)=1-g | | 2m-4-3m=-8 | | 25m^2-30m+9= | | 7c+14y=28 | | 0.5bh=a |

Equations solver categories