-x^2+10x-5=

Simple and best practice solution for -x^2+10x-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+10x-5= equation:


Simplifying
-1x2 + 10x + -5 = 0

Reorder the terms:
-5 + 10x + -1x2 = 0

Solving
-5 + 10x + -1x2 = 0

Solving for variable 'x'.

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

Divide each side by '-1'.
5 + -10x + x2 = 0

Move the constant term to the right:

Add '-5' to each side of the equation.
5 + -10x + -5 + x2 = 0 + -5

Reorder the terms:
5 + -5 + -10x + x2 = 0 + -5

Combine like terms: 5 + -5 = 0
0 + -10x + x2 = 0 + -5
-10x + x2 = 0 + -5

Combine like terms: 0 + -5 = -5
-10x + x2 = -5

The x term is -10x.  Take half its coefficient (-5).
Square it (25) and add it to both sides.

Add '25' to each side of the equation.
-10x + 25 + x2 = -5 + 25

Reorder the terms:
25 + -10x + x2 = -5 + 25

Combine like terms: -5 + 25 = 20
25 + -10x + x2 = 20

Factor a perfect square on the left side:
(x + -5)(x + -5) = 20

Calculate the square root of the right side: 4.472135955

Break this problem into two subproblems by setting 
(x + -5) equal to 4.472135955 and -4.472135955.

Subproblem 1

x + -5 = 4.472135955 Simplifying x + -5 = 4.472135955 Reorder the terms: -5 + x = 4.472135955 Solving -5 + x = 4.472135955 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + x = 4.472135955 + 5 Combine like terms: -5 + 5 = 0 0 + x = 4.472135955 + 5 x = 4.472135955 + 5 Combine like terms: 4.472135955 + 5 = 9.472135955 x = 9.472135955 Simplifying x = 9.472135955

Subproblem 2

x + -5 = -4.472135955 Simplifying x + -5 = -4.472135955 Reorder the terms: -5 + x = -4.472135955 Solving -5 + x = -4.472135955 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + x = -4.472135955 + 5 Combine like terms: -5 + 5 = 0 0 + x = -4.472135955 + 5 x = -4.472135955 + 5 Combine like terms: -4.472135955 + 5 = 0.527864045 x = 0.527864045 Simplifying x = 0.527864045

Solution

The solution to the problem is based on the solutions from the subproblems. x = {9.472135955, 0.527864045}

See similar equations:

| 10/130 | | X+(X*1.1)=5 | | 4a+4a=0 | | 12.7+x-8.1=5.3 | | 4(x-3)=2x+2 | | 460*11.3= | | (15x/4b)(2bx/5x^5) | | 8823=.6x | | 5+p(2)=45-8 | | -4G+5(x-2)=-16+10 | | s^8=3 | | 15x^2-20x+10=0 | | 1/10-1/2=x-7/5 | | 10x+5x+45+25x-525=1000 | | 1-y=205 | | y=1100+15x | | -6x+4=-8x+12 | | 4y+9=13 | | (x-3)(x-3)=22 | | -8x^2-10x-4=0 | | 2x+6+80=140 | | 3-8x=5-7x | | m+13=66 | | 11m^2-122+11=0 | | 25x^2-15x-20=0 | | -(x-3)(x-8)=0 | | 6.8+x=0.5 | | -19=113-6x | | 96=n-(12+3) | | 4*n*5+3.5*n*5+(-2.1*n*5)= | | 3a-(a+b)+(2a-3b)=0 | | 4x-ax-bx= |

Equations solver categories