0=x^2-5x+3

Simple and best practice solution for 0=x^2-5x+3 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 0=x^2-5x+3 equation:


Simplifying
0 = x2 + -5x + 3

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

Solving
0 = 3 + -5x + x2

Solving for variable 'x'.

Combine like terms: 0 + -3 = -3
-3 + 5x + -1x2 = 3 + -5x + x2 + -3 + 5x + -1x2

Reorder the terms:
-3 + 5x + -1x2 = 3 + -3 + -5x + 5x + x2 + -1x2

Combine like terms: 3 + -3 = 0
-3 + 5x + -1x2 = 0 + -5x + 5x + x2 + -1x2
-3 + 5x + -1x2 = -5x + 5x + x2 + -1x2

Combine like terms: -5x + 5x = 0
-3 + 5x + -1x2 = 0 + x2 + -1x2
-3 + 5x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
-3 + 5x + -1x2 = 0

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

Divide each side by '-1'.
3 + -5x + x2 = 0

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 = 3.25
6.25 + -5x + x2 = 3.25

Factor a perfect square on the left side:
(x + -2.5)(x + -2.5) = 3.25

Calculate the square root of the right side: 1.802775638

Break this problem into two subproblems by setting 
(x + -2.5) equal to 1.802775638 and -1.802775638.

Subproblem 1

x + -2.5 = 1.802775638 Simplifying x + -2.5 = 1.802775638 Reorder the terms: -2.5 + x = 1.802775638 Solving -2.5 + x = 1.802775638 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 = 1.802775638 + 2.5 Combine like terms: -2.5 + 2.5 = 0.0 0.0 + x = 1.802775638 + 2.5 x = 1.802775638 + 2.5 Combine like terms: 1.802775638 + 2.5 = 4.302775638 x = 4.302775638 Simplifying x = 4.302775638

Subproblem 2

x + -2.5 = -1.802775638 Simplifying x + -2.5 = -1.802775638 Reorder the terms: -2.5 + x = -1.802775638 Solving -2.5 + x = -1.802775638 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 = -1.802775638 + 2.5 Combine like terms: -2.5 + 2.5 = 0.0 0.0 + x = -1.802775638 + 2.5 x = -1.802775638 + 2.5 Combine like terms: -1.802775638 + 2.5 = 0.697224362 x = 0.697224362 Simplifying x = 0.697224362

Solution

The solution to the problem is based on the solutions from the subproblems. x = {4.302775638, 0.697224362}

See similar equations:

| 6x^2-13xy-5y^2=0 | | 10x^4-30x^3-50x-20= | | 8s+6s=28 | | 135+180+45= | | 6v^3+10v^2-24v=0 | | 6(3-0)= | | 3x=7+2 | | 9e=81 | | a+2=6 | | cd+c+d= | | x(2+4+6)= | | 20x-77x+72=0 | | c^2=-18-9c | | -7x=3x-8 | | 1=5-4x | | r/2+7=14 | | 2x^3-18x^2-6x+54=0 | | 46v=828 | | x/24=18 | | 13=t/33 | | 13=y/33 | | h/16=16 | | w/22=17 | | c/24=6 | | 2.5q-4.4-3.5q=-2.0q-5.4 | | x/7=13 | | b/5=10 | | 22x=176 | | -n-6=-4-2n | | 12n=96 | | 32=-3v | | 2*x^2-10*x=12 |

Equations solver categories