-.2x^2+100x-9500=0

Simple and best practice solution for -.2x^2+100x-9500=0 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 -.2x^2+100x-9500=0 equation:


Simplifying
-0.2x2 + 100x + -9500 = 0

Reorder the terms:
-9500 + 100x + -0.2x2 = 0

Solving
-9500 + 100x + -0.2x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
-0.2 the coefficient of the squared term: 

Divide each side by '-0.2'.
47500 + -500x + x2 = 0

Move the constant term to the right:

Add '-47500' to each side of the equation.
47500 + -500x + -47500 + x2 = 0 + -47500

Reorder the terms:
47500 + -47500 + -500x + x2 = 0 + -47500

Combine like terms: 47500 + -47500 = 0
0 + -500x + x2 = 0 + -47500
-500x + x2 = 0 + -47500

Combine like terms: 0 + -47500 = -47500
-500x + x2 = -47500

The x term is -500x.  Take half its coefficient (-250).
Square it (62500) and add it to both sides.

Add '62500' to each side of the equation.
-500x + 62500 + x2 = -47500 + 62500

Reorder the terms:
62500 + -500x + x2 = -47500 + 62500

Combine like terms: -47500 + 62500 = 15000
62500 + -500x + x2 = 15000

Factor a perfect square on the left side:
(x + -250)(x + -250) = 15000

Calculate the square root of the right side: 122.474487139

Break this problem into two subproblems by setting 
(x + -250) equal to 122.474487139 and -122.474487139.

Subproblem 1

x + -250 = 122.474487139 Simplifying x + -250 = 122.474487139 Reorder the terms: -250 + x = 122.474487139 Solving -250 + x = 122.474487139 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '250' to each side of the equation. -250 + 250 + x = 122.474487139 + 250 Combine like terms: -250 + 250 = 0 0 + x = 122.474487139 + 250 x = 122.474487139 + 250 Combine like terms: 122.474487139 + 250 = 372.474487139 x = 372.474487139 Simplifying x = 372.474487139

Subproblem 2

x + -250 = -122.474487139 Simplifying x + -250 = -122.474487139 Reorder the terms: -250 + x = -122.474487139 Solving -250 + x = -122.474487139 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '250' to each side of the equation. -250 + 250 + x = -122.474487139 + 250 Combine like terms: -250 + 250 = 0 0 + x = -122.474487139 + 250 x = -122.474487139 + 250 Combine like terms: -122.474487139 + 250 = 127.525512861 x = 127.525512861 Simplifying x = 127.525512861

Solution

The solution to the problem is based on the solutions from the subproblems. x = {372.474487139, 127.525512861}

See similar equations:

| x=-.2x^2+100x-9500 | | 2(y+4)=5(2.9y-3) | | 0.1(10+x)=-4+0.3 | | Lnx+ln(x+8)=4 | | 4.8y+32.5=-9y+124.8 | | f(x)=9*sin(2*pi*x) | | 5.76-4.24y-1.9=27.864 | | 4.22-6.4+9.6=0.38 | | 0.1(2.4y+5)=1.7 | | 19-2x(-7)= | | -14=8n-10 | | 27=7x+3g | | 2p=300-p | | x+x(0.25)=800 | | (5+v)(3v-8)=0 | | -3X-4Y=-9 | | b-9+6b=28 | | 12x-12=09 | | -35c=70 | | 10x^2-7x-12=o | | -2.3=-1.4+0.6 | | (10x^2)-7x-12=o | | 0=2p-4 | | 25b^2+45b+9=-9 | | x+x(0.25)=1000 | | -5.3+y=10.2 | | m^3=12 | | x(x-12)=1728 | | y+9.75=9.75 | | x(x-12)=540 | | 285+55x=9940+65x+98 | | x-27.23=9.77 |

Equations solver categories