0=-.02x^2+190x-90000

Simple and best practice solution for 0=-.02x^2+190x-90000 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=-.02x^2+190x-90000 equation:


Simplifying
0 = -0.02x2 + 190x + -90000

Reorder the terms:
0 = -90000 + 190x + -0.02x2

Solving
0 = -90000 + 190x + -0.02x2

Solving for variable 'x'.

Combine like terms: 0 + 90000 = 90000
90000 + -190x + 0.02x2 = -90000 + 190x + -0.02x2 + 90000 + -190x + 0.02x2

Reorder the terms:
90000 + -190x + 0.02x2 = -90000 + 90000 + 190x + -190x + -0.02x2 + 0.02x2

Combine like terms: -90000 + 90000 = 0
90000 + -190x + 0.02x2 = 0 + 190x + -190x + -0.02x2 + 0.02x2
90000 + -190x + 0.02x2 = 190x + -190x + -0.02x2 + 0.02x2

Combine like terms: 190x + -190x = 0
90000 + -190x + 0.02x2 = 0 + -0.02x2 + 0.02x2
90000 + -190x + 0.02x2 = -0.02x2 + 0.02x2

Combine like terms: -0.02x2 + 0.02x2 = 0.00
90000 + -190x + 0.02x2 = 0.00

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

Divide each side by '0.02'.
4500000 + -9500x + x2 = 0

Move the constant term to the right:

Add '-4500000' to each side of the equation.
4500000 + -9500x + -4500000 + x2 = 0 + -4500000

Reorder the terms:
4500000 + -4500000 + -9500x + x2 = 0 + -4500000

Combine like terms: 4500000 + -4500000 = 0
0 + -9500x + x2 = 0 + -4500000
-9500x + x2 = 0 + -4500000

Combine like terms: 0 + -4500000 = -4500000
-9500x + x2 = -4500000

The x term is -9500x.  Take half its coefficient (-4750).
Square it (22562500) and add it to both sides.

Add '22562500' to each side of the equation.
-9500x + 22562500 + x2 = -4500000 + 22562500

Reorder the terms:
22562500 + -9500x + x2 = -4500000 + 22562500

Combine like terms: -4500000 + 22562500 = 18062500
22562500 + -9500x + x2 = 18062500

Factor a perfect square on the left side:
(x + -4750)(x + -4750) = 18062500

Calculate the square root of the right side: 4250

Break this problem into two subproblems by setting 
(x + -4750) equal to 4250 and -4250.

Subproblem 1

x + -4750 = 4250 Simplifying x + -4750 = 4250 Reorder the terms: -4750 + x = 4250 Solving -4750 + x = 4250 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4750' to each side of the equation. -4750 + 4750 + x = 4250 + 4750 Combine like terms: -4750 + 4750 = 0 0 + x = 4250 + 4750 x = 4250 + 4750 Combine like terms: 4250 + 4750 = 9000 x = 9000 Simplifying x = 9000

Subproblem 2

x + -4750 = -4250 Simplifying x + -4750 = -4250 Reorder the terms: -4750 + x = -4250 Solving -4750 + x = -4250 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4750' to each side of the equation. -4750 + 4750 + x = -4250 + 4750 Combine like terms: -4750 + 4750 = 0 0 + x = -4250 + 4750 x = -4250 + 4750 Combine like terms: -4250 + 4750 = 500 x = 500 Simplifying x = 500

Solution

The solution to the problem is based on the solutions from the subproblems. x = {9000, 500}

See similar equations:

| |x-3|=5 | | 2y-y=4+3y | | N-10=6 | | 159-6x=39x+19 | | 159-6x=39x+15 | | 3c-3c+1=5c+2+3 | | N+32=50 | | 14-7x=94-92x | | -2(2x-1)= | | N+11=13 | | 67-4x=8x+14 | | 11(10-7n)=-7(11-6n) | | x^2+4x=31-2x | | 182-4x=23x+23 | | 6-10x=170-38x | | 54-4x=13-8x | | 2x+b=6x-b | | -4p-2+5p=10 | | 18x-5-5x=x+6(3x-23)-6x | | 6-17a+3=4a+9 | | x-y=2x-3y+1 | | 20+7t=180 | | 4x+7=-19-9 | | x-6(2+x)=12-6x | | -89-8x=7x+18 | | -8x+12=-15x+10 | | 2=9+c | | x^2-11x+33=5 | | v^2+3v+6v+18= | | 10-9x=50-37x | | 2x+x-2=97 | | (x-1)(x-2)=3x+18 |

Equations solver categories