x^2-5x=10

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


Simplifying
x2 + -5x = 10

Reorder the terms:
-5x + x2 = 10

Solving
-5x + x2 = 10

Solving for variable 'x'.

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

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

Begin completing the square.

Move the constant term to the right:

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

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

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

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

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 = 10 + 6.25

Reorder the terms:
6.25 + -5x + x2 = 10 + 6.25

Combine like terms: 10 + 6.25 = 16.25
6.25 + -5x + x2 = 16.25

Factor a perfect square on the left side:
(x + -2.5)(x + -2.5) = 16.25

Calculate the square root of the right side: 4.031128874

Break this problem into two subproblems by setting 
(x + -2.5) equal to 4.031128874 and -4.031128874.

Subproblem 1

x + -2.5 = 4.031128874 Simplifying x + -2.5 = 4.031128874 Reorder the terms: -2.5 + x = 4.031128874 Solving -2.5 + x = 4.031128874 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 = 4.031128874 + 2.5 Combine like terms: -2.5 + 2.5 = 0.0 0.0 + x = 4.031128874 + 2.5 x = 4.031128874 + 2.5 Combine like terms: 4.031128874 + 2.5 = 6.531128874 x = 6.531128874 Simplifying x = 6.531128874

Subproblem 2

x + -2.5 = -4.031128874 Simplifying x + -2.5 = -4.031128874 Reorder the terms: -2.5 + x = -4.031128874 Solving -2.5 + x = -4.031128874 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 = -4.031128874 + 2.5 Combine like terms: -2.5 + 2.5 = 0.0 0.0 + x = -4.031128874 + 2.5 x = -4.031128874 + 2.5 Combine like terms: -4.031128874 + 2.5 = -1.531128874 x = -1.531128874 Simplifying x = -1.531128874

Solution

The solution to the problem is based on the solutions from the subproblems. x = {6.531128874, -1.531128874}

See similar equations:

| x^2-18x+4=0 | | x^2-12x=-35 | | 3.2x=2x-(9-1.2x) | | 2x+6y=-6 | | -3(6w-v)+(-2v+w)=0 | | x^3-12x^2+45x=0 | | 203-4x=32x+15 | | -6a+5=-2+-3 | | 13-7x=81-35x | | -110-7x=9x+18 | | 2x+13=-95-10x | | 12a+7=3a-11 | | 111-5x=3x+7 | | -17-4x=7-10x | | ln(x-1)+1=0 | | 2x-7y=3x | | 4(a-4)=2(a-5) | | 3(x-3)=4(x+-3) | | 1+ln(x+1)=ln(x-1) | | 15x-4.9x^2=-30 | | 2x-7y=3xk | | -0.666666666666667(5p-16)=10 | | .5(7a+1)=18 | | 2(7a+1)=18 | | 10(a+1)-14a=9-(4a-1) | | 2(8x-1)=6(5-x) | | 3x+125=11x-11 | | 5x+2+3x=8x | | 175-2x=34x+15 | | 2x+12=-76-9x | | 128-4x=4x+24 | | 3c-5+2c-11=9 |

Equations solver categories