x^2-13x+10=0

Simple and best practice solution for x^2-13x+10=0 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^2-13x+10=0 equation:


Simplifying
x2 + -13x + 10 = 0

Reorder the terms:
10 + -13x + x2 = 0

Solving
10 + -13x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-10' to each side of the equation.
10 + -13x + -10 + x2 = 0 + -10

Reorder the terms:
10 + -10 + -13x + x2 = 0 + -10

Combine like terms: 10 + -10 = 0
0 + -13x + x2 = 0 + -10
-13x + x2 = 0 + -10

Combine like terms: 0 + -10 = -10
-13x + x2 = -10

The x term is -13x.  Take half its coefficient (-6.5).
Square it (42.25) and add it to both sides.

Add '42.25' to each side of the equation.
-13x + 42.25 + x2 = -10 + 42.25

Reorder the terms:
42.25 + -13x + x2 = -10 + 42.25

Combine like terms: -10 + 42.25 = 32.25
42.25 + -13x + x2 = 32.25

Factor a perfect square on the left side:
(x + -6.5)(x + -6.5) = 32.25

Calculate the square root of the right side: 5.678908346

Break this problem into two subproblems by setting 
(x + -6.5) equal to 5.678908346 and -5.678908346.

Subproblem 1

x + -6.5 = 5.678908346 Simplifying x + -6.5 = 5.678908346 Reorder the terms: -6.5 + x = 5.678908346 Solving -6.5 + x = 5.678908346 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '6.5' to each side of the equation. -6.5 + 6.5 + x = 5.678908346 + 6.5 Combine like terms: -6.5 + 6.5 = 0.0 0.0 + x = 5.678908346 + 6.5 x = 5.678908346 + 6.5 Combine like terms: 5.678908346 + 6.5 = 12.178908346 x = 12.178908346 Simplifying x = 12.178908346

Subproblem 2

x + -6.5 = -5.678908346 Simplifying x + -6.5 = -5.678908346 Reorder the terms: -6.5 + x = -5.678908346 Solving -6.5 + x = -5.678908346 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '6.5' to each side of the equation. -6.5 + 6.5 + x = -5.678908346 + 6.5 Combine like terms: -6.5 + 6.5 = 0.0 0.0 + x = -5.678908346 + 6.5 x = -5.678908346 + 6.5 Combine like terms: -5.678908346 + 6.5 = 0.821091654 x = 0.821091654 Simplifying x = 0.821091654

Solution

The solution to the problem is based on the solutions from the subproblems. x = {12.178908346, 0.821091654}

See similar equations:

| 4x-2xy=7 | | (1)*b= | | 18-27y+10y^2=0 | | (12+3)xy= | | 6xy-3x-2y=55 | | 23423423423423y=238472384672354276345723542365443628723423y | | 123123y+81723981273=283791y+12312 | | -15-(-26)= | | 10=-3x-x^2 | | 4k^2+2k=0 | | 7(6x-8)+5(4-5x)= | | 3-2(5-x)-(4x-1)2= | | 6x-7(x+7)+(2x-7)5= | | 4x+3=x+24 | | x-5+90+2x-5=180 | | x^2-2kx+5k=0 | | 5X-10+4X-10=180 | | x^2+7x=-3.25 | | 6x^2-13x+4=0 | | 3y+6x=wx | | 3h^2+4h=55 | | 5x*4x=80 | | x=25+10+10 | | x+10=x+25+10 | | 10+-0.5n+-2+1p+20-2p=18 | | 8m^2-2m= | | m=-2+1m | | p=20+-1n | | 5(3+2)-4(3+2)=25 | | -2+1p=18+-1n+-1p | | sin(9x+7)=-cos(11x+1) | | 26.14+21.43+x=66.64 |

Equations solver categories