-0.2x^2+176x+21900=15000

Simple and best practice solution for -0.2x^2+176x+21900=15000 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 -0.2x^2+176x+21900=15000 equation:


Simplifying
-0.2x2 + 176x + 21900 = 15000

Reorder the terms:
21900 + 176x + -0.2x2 = 15000

Solving
21900 + 176x + -0.2x2 = 15000

Solving for variable 'x'.

Reorder the terms:
21900 + -15000 + 176x + -0.2x2 = 15000 + -15000

Combine like terms: 21900 + -15000 = 6900
6900 + 176x + -0.2x2 = 15000 + -15000

Combine like terms: 15000 + -15000 = 0
6900 + 176x + -0.2x2 = 0

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

Divide each side by '-0.2'.
-34500 + -880x + x2 = 0

Move the constant term to the right:

Add '34500' to each side of the equation.
-34500 + -880x + 34500 + x2 = 0 + 34500

Reorder the terms:
-34500 + 34500 + -880x + x2 = 0 + 34500

Combine like terms: -34500 + 34500 = 0
0 + -880x + x2 = 0 + 34500
-880x + x2 = 0 + 34500

Combine like terms: 0 + 34500 = 34500
-880x + x2 = 34500

The x term is -880x.  Take half its coefficient (-440).
Square it (193600) and add it to both sides.

Add '193600' to each side of the equation.
-880x + 193600 + x2 = 34500 + 193600

Reorder the terms:
193600 + -880x + x2 = 34500 + 193600

Combine like terms: 34500 + 193600 = 228100
193600 + -880x + x2 = 228100

Factor a perfect square on the left side:
(x + -440)(x + -440) = 228100

Calculate the square root of the right side: 477.59815745

Break this problem into two subproblems by setting 
(x + -440) equal to 477.59815745 and -477.59815745.

Subproblem 1

x + -440 = 477.59815745 Simplifying x + -440 = 477.59815745 Reorder the terms: -440 + x = 477.59815745 Solving -440 + x = 477.59815745 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '440' to each side of the equation. -440 + 440 + x = 477.59815745 + 440 Combine like terms: -440 + 440 = 0 0 + x = 477.59815745 + 440 x = 477.59815745 + 440 Combine like terms: 477.59815745 + 440 = 917.59815745 x = 917.59815745 Simplifying x = 917.59815745

Subproblem 2

x + -440 = -477.59815745 Simplifying x + -440 = -477.59815745 Reorder the terms: -440 + x = -477.59815745 Solving -440 + x = -477.59815745 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '440' to each side of the equation. -440 + 440 + x = -477.59815745 + 440 Combine like terms: -440 + 440 = 0 0 + x = -477.59815745 + 440 x = -477.59815745 + 440 Combine like terms: -477.59815745 + 440 = -37.59815745 x = -37.59815745 Simplifying x = -37.59815745

Solution

The solution to the problem is based on the solutions from the subproblems. x = {917.59815745, -37.59815745}

See similar equations:

| sqrt(4x-7)+3=10 | | -21=6z | | -x^2+25x-115=0 | | 4(3x+4s)= | | 7x+3z=6+3y | | 4x^3-8x=3 | | -x^2+25x+10=125 | | X+(X*.065)+(x*.20)=24 | | 4x^3-8x-3=0 | | 5x^2+7x-8=5x^2+8x+36 | | 5-6x+7+3x+4x-2=4+2*5 | | -100x^2+2500x+1000=12500 | | 6v+9=-7 | | k^2-14k+28=k^2-12k+36 | | log[4](3x+2)=log[4](2x+5) | | n^2-7n+16=n^2+8n+16 | | -2p+4+3p=7 | | (-2/5)t=-8 | | -2/5t=-8 | | z+3=-15 | | |19/4|= | | 212/1.06 | | -r^2-8r+65= | | y=1/6x2 | | =-3x^2-2x+2 | | (5x+27)(3x+17)=0 | | x^2+25+10=125 | | x^4+51x^2-4900=0 | | 81-3x=x^2+18x+81 | | 1/x:1/5=1/x:1/125 | | 3x/2-2x/5=7 | | 21/x-6-81/x-1 |

Equations solver categories