-0.1x^2+0.1x=-0.04

Simple and best practice solution for -0.1x^2+0.1x=-0.04 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 -0.1x^2+0.1x=-0.04 equation:


Simplifying
-0.1x2 + 0.1x = -0.04

Reorder the terms:
0.1x + -0.1x2 = -0.04

Solving
0.1x + -0.1x2 = -0.04

Solving for variable 'x'.

Reorder the terms:
0.04 + 0.1x + -0.1x2 = -0.04 + 0.04

Combine like terms: -0.04 + 0.04 = 0.00
0.04 + 0.1x + -0.1x2 = 0.00

Begin completing the square.  Divide all terms by
-0.1 the coefficient of the squared term: 

Divide each side by '-0.1'.
-0.4 + -1x + x2 = 0.0

Move the constant term to the right:

Add '0.4' to each side of the equation.
-0.4 + -1x + 0.4 + x2 = 0.0 + 0.4

Reorder the terms:
-0.4 + 0.4 + -1x + x2 = 0.0 + 0.4

Combine like terms: -0.4 + 0.4 = 0.0
0.0 + -1x + x2 = 0.0 + 0.4
-1x + x2 = 0.0 + 0.4

Combine like terms: 0.0 + 0.4 = 0.4
-1x + x2 = 0.4

The x term is -1x.  Take half its coefficient (-0.5).
Square it (0.25) and add it to both sides.

Add '0.25' to each side of the equation.
-1x + 0.25 + x2 = 0.4 + 0.25

Reorder the terms:
0.25 + -1x + x2 = 0.4 + 0.25

Combine like terms: 0.4 + 0.25 = 0.65
0.25 + -1x + x2 = 0.65

Factor a perfect square on the left side:
(x + -0.5)(x + -0.5) = 0.65

Calculate the square root of the right side: 0.806225775

Break this problem into two subproblems by setting 
(x + -0.5) equal to 0.806225775 and -0.806225775.

Subproblem 1

x + -0.5 = 0.806225775 Simplifying x + -0.5 = 0.806225775 Reorder the terms: -0.5 + x = 0.806225775 Solving -0.5 + x = 0.806225775 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.5' to each side of the equation. -0.5 + 0.5 + x = 0.806225775 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + x = 0.806225775 + 0.5 x = 0.806225775 + 0.5 Combine like terms: 0.806225775 + 0.5 = 1.306225775 x = 1.306225775 Simplifying x = 1.306225775

Subproblem 2

x + -0.5 = -0.806225775 Simplifying x + -0.5 = -0.806225775 Reorder the terms: -0.5 + x = -0.806225775 Solving -0.5 + x = -0.806225775 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.5' to each side of the equation. -0.5 + 0.5 + x = -0.806225775 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + x = -0.806225775 + 0.5 x = -0.806225775 + 0.5 Combine like terms: -0.806225775 + 0.5 = -0.306225775 x = -0.306225775 Simplifying x = -0.306225775

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.306225775, -0.306225775}

See similar equations:

| 2j=10+7j | | -11=-2-5x+1 | | 2.2=z-11 | | -9+2c=-c | | 10-9k=-7k | | 330/500 | | x+x(0.13)=1725.56 | | 96=8(b+5) | | -2z=2z-48 | | 96=(b+5) | | G(-2)=7 | | 4x-5=-2x-47 | | 1/3(12x6) | | -12c/-1 | | -3/8=2/1 | | 6k^2-12k+6=0 | | (2x-3)(x+1)=(x-5)(3x+14)+63 | | 1=c+13 | | 5(n-1)=7(N+3) | | 7x=(6x^2) | | 0.65=x^2-4x+4 | | 5x+-5=15 | | Z=5-10 | | -11.406-7.5n=3.45-3.9(n+2) | | 4x-5=2x-47 | | X+100y=5 | | 1 = c+13-1 | | 0.8=x^2-4x+4 | | y^2+y^2=20 | | w+40=3v | | X(x+3)=30 | | 11+3x+x=2x-11 |

Equations solver categories