500=.08x+.004x^2

Simple and best practice solution for 500=.08x+.004x^2 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 500=.08x+.004x^2 equation:


Simplifying
500 = 0.08x + 0.004x2

Solving
500 = 0.08x + 0.004x2

Solving for variable 'x'.

Reorder the terms:
500 + -0.08x + -0.004x2 = 0.08x + -0.08x + 0.004x2 + -0.004x2

Combine like terms: 0.08x + -0.08x = 0.00
500 + -0.08x + -0.004x2 = 0.00 + 0.004x2 + -0.004x2
500 + -0.08x + -0.004x2 = 0.004x2 + -0.004x2

Combine like terms: 0.004x2 + -0.004x2 = 0.000
500 + -0.08x + -0.004x2 = 0.000

Begin completing the square.  Divide all terms by
-0.004 the coefficient of the squared term: 

Divide each side by '-0.004'.
-125000 + 20x + x2 = 0

Move the constant term to the right:

Add '125000' to each side of the equation.
-125000 + 20x + 125000 + x2 = 0 + 125000

Reorder the terms:
-125000 + 125000 + 20x + x2 = 0 + 125000

Combine like terms: -125000 + 125000 = 0
0 + 20x + x2 = 0 + 125000
20x + x2 = 0 + 125000

Combine like terms: 0 + 125000 = 125000
20x + x2 = 125000

The x term is 20x.  Take half its coefficient (10).
Square it (100) and add it to both sides.

Add '100' to each side of the equation.
20x + 100 + x2 = 125000 + 100

Reorder the terms:
100 + 20x + x2 = 125000 + 100

Combine like terms: 125000 + 100 = 125100
100 + 20x + x2 = 125100

Factor a perfect square on the left side:
(x + 10)(x + 10) = 125100

Calculate the square root of the right side: 353.694783677

Break this problem into two subproblems by setting 
(x + 10) equal to 353.694783677 and -353.694783677.

Subproblem 1

x + 10 = 353.694783677 Simplifying x + 10 = 353.694783677 Reorder the terms: 10 + x = 353.694783677 Solving 10 + x = 353.694783677 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-10' to each side of the equation. 10 + -10 + x = 353.694783677 + -10 Combine like terms: 10 + -10 = 0 0 + x = 353.694783677 + -10 x = 353.694783677 + -10 Combine like terms: 353.694783677 + -10 = 343.694783677 x = 343.694783677 Simplifying x = 343.694783677

Subproblem 2

x + 10 = -353.694783677 Simplifying x + 10 = -353.694783677 Reorder the terms: 10 + x = -353.694783677 Solving 10 + x = -353.694783677 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-10' to each side of the equation. 10 + -10 + x = -353.694783677 + -10 Combine like terms: 10 + -10 = 0 0 + x = -353.694783677 + -10 x = -353.694783677 + -10 Combine like terms: -353.694783677 + -10 = -363.694783677 x = -363.694783677 Simplifying x = -363.694783677

Solution

The solution to the problem is based on the solutions from the subproblems. x = {343.694783677, -363.694783677}

See similar equations:

| 54+3W=9W | | -0+(-15)= | | 3x-1+2x+3=180 | | 9m-4m+m-3m=18 | | 1/5/15= | | f=17c+28 | | 50/x=15/100 | | hx+2-h-2x=0 | | 2/5*-2=3/4 | | f=17c+27 | | S=-16t^2+24t+1 | | 7/8=d/56 | | (5x-6)(5x-6)=5x | | 2p+2=-3p+2.5 | | 4c-2c=8 | | .004x^2+.08x-500=0 | | -6X-4(2X+39)=-58 | | -z^2+4z=4 | | 4x-9=6c-13 | | y/100*180=27 | | 21k^2+10k+1=0 | | 5k+2=9k+6 | | xsquared=3x-1 | | 6/7=8/n | | (5x-6)(5x-6)=-5x | | =121k^2+10k | | 8x+540=5x+132 | | (5x+6)(5x-6)=-5x | | 9n^2+9n+18=0 | | 17-29=4k | | 6k+5(k+1)-10k=-8-2(k+12) | | 2b=864+.8b |

Equations solver categories