.05x^2+15x+500=0

Simple and best practice solution for .05x^2+15x+500=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 .05x^2+15x+500=0 equation:


Simplifying
0.05x2 + 15x + 500 = 0

Reorder the terms:
500 + 15x + 0.05x2 = 0

Solving
500 + 15x + 0.05x2 = 0

Solving for variable 'x'.

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

Divide each side by '0.05'.
10000 + 300x + x2 = 0

Move the constant term to the right:

Add '-10000' to each side of the equation.
10000 + 300x + -10000 + x2 = 0 + -10000

Reorder the terms:
10000 + -10000 + 300x + x2 = 0 + -10000

Combine like terms: 10000 + -10000 = 0
0 + 300x + x2 = 0 + -10000
300x + x2 = 0 + -10000

Combine like terms: 0 + -10000 = -10000
300x + x2 = -10000

The x term is 300x.  Take half its coefficient (150).
Square it (22500) and add it to both sides.

Add '22500' to each side of the equation.
300x + 22500 + x2 = -10000 + 22500

Reorder the terms:
22500 + 300x + x2 = -10000 + 22500

Combine like terms: -10000 + 22500 = 12500
22500 + 300x + x2 = 12500

Factor a perfect square on the left side:
(x + 150)(x + 150) = 12500

Calculate the square root of the right side: 111.803398875

Break this problem into two subproblems by setting 
(x + 150) equal to 111.803398875 and -111.803398875.

Subproblem 1

x + 150 = 111.803398875 Simplifying x + 150 = 111.803398875 Reorder the terms: 150 + x = 111.803398875 Solving 150 + x = 111.803398875 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-150' to each side of the equation. 150 + -150 + x = 111.803398875 + -150 Combine like terms: 150 + -150 = 0 0 + x = 111.803398875 + -150 x = 111.803398875 + -150 Combine like terms: 111.803398875 + -150 = -38.196601125 x = -38.196601125 Simplifying x = -38.196601125

Subproblem 2

x + 150 = -111.803398875 Simplifying x + 150 = -111.803398875 Reorder the terms: 150 + x = -111.803398875 Solving 150 + x = -111.803398875 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-150' to each side of the equation. 150 + -150 + x = -111.803398875 + -150 Combine like terms: 150 + -150 = 0 0 + x = -111.803398875 + -150 x = -111.803398875 + -150 Combine like terms: -111.803398875 + -150 = -261.803398875 x = -261.803398875 Simplifying x = -261.803398875

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-38.196601125, -261.803398875}

See similar equations:

| x*(x+2)*4=21 | | P=1/2xyz | | 12k-1-8k=-12+4k | | 43-x=7 | | 1-20n=-20n+1 | | 5(2h+3)=5(h-3) | | 3-18t=-18t+3 | | 14d+10+2d=10+16d | | 3(x+8)=24+3x | | -8-6q=-5q-10 | | X^2-250/x | | -3j+9=-5j-7 | | 2+f=f-1 | | 1/3x^4-2x^3 | | 10p+2=2+10p | | -10-3h=-3h-10 | | 7/5a=-14/3 | | -3+3r=10+3r | | -8w=-5-9w | | -2t+5= | | -24.226674+0.1x=-1.93(1-4.2x) | | 10-x+y+10=40 | | -12+12x-3x^2=0 | | 2x^2+x=420 | | (9/4y)^3*y^2 | | 3/16(x)=150 | | 3/16x=150 | | -3/8u=18 | | 25000-1200y=x | | 6(2x+4)=2(3x+6) | | 6(2+4)=2(3x+6) | | 6(2+4)=(3x+6) |

Equations solver categories