-0.1x^2+1=0.5x

Simple and best practice solution for -0.1x^2+1=0.5x 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+1=0.5x equation:


Simplifying
-0.1x2 + 1 = 0.5x

Reorder the terms:
1 + -0.1x2 = 0.5x

Solving
1 + -0.1x2 = 0.5x

Solving for variable 'x'.

Reorder the terms:
1 + -0.5x + -0.1x2 = 0.5x + -0.5x

Combine like terms: 0.5x + -0.5x = 0.0
1 + -0.5x + -0.1x2 = 0.0

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

Divide each side by '-0.1'.
-10 + 5x + x2 = 0

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 = 1.531128874 x = 1.531128874 Simplifying x = 1.531128874

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 = -6.531128874 x = -6.531128874 Simplifying x = -6.531128874

Solution

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

See similar equations:

| (a+5)x^2-3ax+(a-5)=0 | | -0.1x^2-1=0.5x | | x^2+1=0.5x | | 2x^4-40x^2-28=0 | | M^2=-5m+50 | | 8/5x=24000 | | 5/6y=23/6 | | 1.2(2.4)4x=7(4.5)x | | M^2+5-50=0 | | 2x^4-32=40x^2-4 | | 2.73-0.772= | | 2a+b+3a= | | 9x+6=7x+54 | | 4lnx-1/6lny= | | 47.2-6.30= | | 5x-4/3x-5=2 | | 6x+8z=7+5x | | 7(x+5)+4=-8(x-1)-2 | | -61-(-26)= | | 0.6x+0.8(12-x)=0 | | -8x+2-24x-16=1+10x-25 | | 4z/-12=-5 | | -2y+6(5y+2)=4-4(4-y) | | x/18=8/x | | 7(x+5)+3=-8(x-1)-2 | | (4)ln(x)-1/6ln(y) | | 5x-4-(3x-1)=-6x-7 | | -(-6+2x)+4x-17= | | 1-24x-16=-8x+1-20x-4 | | x+68=9x-92 | | (x´2-1/x) | | x+74=3x+44 |

Equations solver categories