x^2=10x-10

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


Simplifying
x2 = 10x + -10

Reorder the terms:
x2 = -10 + 10x

Solving
x2 = -10 + 10x

Solving for variable 'x'.

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

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

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

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

Begin completing the square.

Move the constant term to the right:

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

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

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

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

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 = -10 + 25

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

Combine like terms: -10 + 25 = 15
25 + -10x + x2 = 15

Factor a perfect square on the left side:
(x + -5)(x + -5) = 15

Calculate the square root of the right side: 3.872983346

Break this problem into two subproblems by setting 
(x + -5) equal to 3.872983346 and -3.872983346.

Subproblem 1

x + -5 = 3.872983346 Simplifying x + -5 = 3.872983346 Reorder the terms: -5 + x = 3.872983346 Solving -5 + x = 3.872983346 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 = 3.872983346 + 5 Combine like terms: -5 + 5 = 0 0 + x = 3.872983346 + 5 x = 3.872983346 + 5 Combine like terms: 3.872983346 + 5 = 8.872983346 x = 8.872983346 Simplifying x = 8.872983346

Subproblem 2

x + -5 = -3.872983346 Simplifying x + -5 = -3.872983346 Reorder the terms: -5 + x = -3.872983346 Solving -5 + x = -3.872983346 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 = -3.872983346 + 5 Combine like terms: -5 + 5 = 0 0 + x = -3.872983346 + 5 x = -3.872983346 + 5 Combine like terms: -3.872983346 + 5 = 1.127016654 x = 1.127016654 Simplifying x = 1.127016654

Solution

The solution to the problem is based on the solutions from the subproblems. x = {8.872983346, 1.127016654}

See similar equations:

| 10c+4-2c=6c+16 | | x/14=10 | | X+0.5=0.75 | | -5(3x+-2)+3=6x+-8 | | 7d/6d^3 | | X^3-3x^2-3x+1=0 | | 28.1x-21.8=28.1x-21.08 | | -3n(2n-1)=0 | | 25b=15b+8 | | 2x-18=5x+18 | | x+12=4x+9 | | -80+7x+66=14 | | 0.03n+35=C | | -8(x+4)+6=4+-5x | | x^2-4ax+27=0 | | c=35+0.03n | | y=750+0,09.6000 | | 4x-15=-2x+9 | | 3(3x+19)=9(3x+2) | | 202=95-y | | 8lnx=56 | | -3x+5=-12 | | x+x+90+128+92=540 | | C=x+0.05x+0.07x+0.12x | | 2x+8+4x=14 | | 2x-4=-4x+44 | | 13x-6x=14 | | 10x-8x=12 | | 3x-3=-3x+27 | | 3x-9=-4x+33 | | 12x-7x=20 | | 1x-3=-4x+17 |

Equations solver categories