7x-0.01x^2=0.005

Simple and best practice solution for 7x-0.01x^2=0.005 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 7x-0.01x^2=0.005 equation:


Simplifying
7x + -0.01x2 = 0.005

Solving
7x + -0.01x2 = 0.005

Solving for variable 'x'.

Reorder the terms:
-0.005 + 7x + -0.01x2 = 0.005 + -0.005

Combine like terms: 0.005 + -0.005 = 0.000
-0.005 + 7x + -0.01x2 = 0.000

Begin completing the square.  Divide all terms by
-0.01 the coefficient of the squared term: 

Divide each side by '-0.01'.
0.5 + -700x + x2 = 0.0

Move the constant term to the right:

Add '-0.5' to each side of the equation.
0.5 + -700x + -0.5 + x2 = 0.0 + -0.5

Reorder the terms:
0.5 + -0.5 + -700x + x2 = 0.0 + -0.5

Combine like terms: 0.5 + -0.5 = 0.0
0.0 + -700x + x2 = 0.0 + -0.5
-700x + x2 = 0.0 + -0.5

Combine like terms: 0.0 + -0.5 = -0.5
-700x + x2 = -0.5

The x term is -700x.  Take half its coefficient (-350).
Square it (122500) and add it to both sides.

Add '122500' to each side of the equation.
-700x + 122500 + x2 = -0.5 + 122500

Reorder the terms:
122500 + -700x + x2 = -0.5 + 122500

Combine like terms: -0.5 + 122500 = 122499.5
122500 + -700x + x2 = 122499.5

Factor a perfect square on the left side:
(x + -350)(x + -350) = 122499.5

Calculate the square root of the right side: 349.999285714

Break this problem into two subproblems by setting 
(x + -350) equal to 349.999285714 and -349.999285714.

Subproblem 1

x + -350 = 349.999285714 Simplifying x + -350 = 349.999285714 Reorder the terms: -350 + x = 349.999285714 Solving -350 + x = 349.999285714 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '350' to each side of the equation. -350 + 350 + x = 349.999285714 + 350 Combine like terms: -350 + 350 = 0 0 + x = 349.999285714 + 350 x = 349.999285714 + 350 Combine like terms: 349.999285714 + 350 = 699.999285714 x = 699.999285714 Simplifying x = 699.999285714

Subproblem 2

x + -350 = -349.999285714 Simplifying x + -350 = -349.999285714 Reorder the terms: -350 + x = -349.999285714 Solving -350 + x = -349.999285714 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '350' to each side of the equation. -350 + 350 + x = -349.999285714 + 350 Combine like terms: -350 + 350 = 0 0 + x = -349.999285714 + 350 x = -349.999285714 + 350 Combine like terms: -349.999285714 + 350 = 0.000714286 x = 0.000714286 Simplifying x = 0.000714286

Solution

The solution to the problem is based on the solutions from the subproblems. x = {699.999285714, 0.000714286}

See similar equations:

| (2n+3)=(3n-54.5) | | -14(-19y+17)= | | (16/6)t^2-16t-96=0 | | -40+r=36 | | 6(x+4)=8-3(x-5) | | 7-x=2(x+3) | | 2x-35=106 | | 40/x=34/520 | | -3(y+5)+y=-1 | | x^2+y^2+8x-6y-7=0 | | 9x-3-7x+5=10 | | -40t+r=36 | | x^2+y^2+2x-4y-7=0 | | x-25=x-.20x | | 0.7t=3.5 | | 2(x+4)=2+4(x+8) | | 3/4=6/4 | | n-3/9=5/9 | | 8x-5+3x=0 | | 15x^2+48x+36=0 | | X/7=59 | | 4y^3x+2y^2x^2+4y= | | 1/4^x-2=64 | | 2x^2+3y^2+12x-14y+10=0 | | 4(6-5a)=164 | | f(x)=x^3+5x+7 | | 94=-7(a-8)+3 | | X+43=97 | | 23/1x1/2 | | log(6x-8)-log(8x)=3 | | 23x1/2 | | r-104=91 |

Equations solver categories