-3x^2-32x+2000=0

Simple and best practice solution for -3x^2-32x+2000=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 -3x^2-32x+2000=0 equation:


Simplifying
-3x2 + -32x + 2000 = 0

Reorder the terms:
2000 + -32x + -3x2 = 0

Solving
2000 + -32x + -3x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
-3 the coefficient of the squared term: 

Divide each side by '-3'.
-666.6666667 + 10.66666667x + x2 = 0

Move the constant term to the right:

Add '666.6666667' to each side of the equation.
-666.6666667 + 10.66666667x + 666.6666667 + x2 = 0 + 666.6666667

Reorder the terms:
-666.6666667 + 666.6666667 + 10.66666667x + x2 = 0 + 666.6666667

Combine like terms: -666.6666667 + 666.6666667 = 0.0000000
0.0000000 + 10.66666667x + x2 = 0 + 666.6666667
10.66666667x + x2 = 0 + 666.6666667

Combine like terms: 0 + 666.6666667 = 666.6666667
10.66666667x + x2 = 666.6666667

The x term is 10.66666667x.  Take half its coefficient (5.333333335).
Square it (28.44444446) and add it to both sides.

Add '28.44444446' to each side of the equation.
10.66666667x + 28.44444446 + x2 = 666.6666667 + 28.44444446

Reorder the terms:
28.44444446 + 10.66666667x + x2 = 666.6666667 + 28.44444446

Combine like terms: 666.6666667 + 28.44444446 = 695.11111116
28.44444446 + 10.66666667x + x2 = 695.11111116

Factor a perfect square on the left side:
(x + 5.333333335)(x + 5.333333335) = 695.11111116

Calculate the square root of the right side: 26.364959912

Break this problem into two subproblems by setting 
(x + 5.333333335) equal to 26.364959912 and -26.364959912.

Subproblem 1

x + 5.333333335 = 26.364959912 Simplifying x + 5.333333335 = 26.364959912 Reorder the terms: 5.333333335 + x = 26.364959912 Solving 5.333333335 + x = 26.364959912 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-5.333333335' to each side of the equation. 5.333333335 + -5.333333335 + x = 26.364959912 + -5.333333335 Combine like terms: 5.333333335 + -5.333333335 = 0.000000000 0.000000000 + x = 26.364959912 + -5.333333335 x = 26.364959912 + -5.333333335 Combine like terms: 26.364959912 + -5.333333335 = 21.031626577 x = 21.031626577 Simplifying x = 21.031626577

Subproblem 2

x + 5.333333335 = -26.364959912 Simplifying x + 5.333333335 = -26.364959912 Reorder the terms: 5.333333335 + x = -26.364959912 Solving 5.333333335 + x = -26.364959912 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-5.333333335' to each side of the equation. 5.333333335 + -5.333333335 + x = -26.364959912 + -5.333333335 Combine like terms: 5.333333335 + -5.333333335 = 0.000000000 0.000000000 + x = -26.364959912 + -5.333333335 x = -26.364959912 + -5.333333335 Combine like terms: -26.364959912 + -5.333333335 = -31.698293247 x = -31.698293247 Simplifying x = -31.698293247

Solution

The solution to the problem is based on the solutions from the subproblems. x = {21.031626577, -31.698293247}

See similar equations:

| 3(x+7)=-45 | | m/2=40 | | 4c+15c+30=21c+42 | | 3x5/3x5/3+6x5/3 | | -3/2x=3/4 | | 39-26= | | 8-21x=1-20x | | 5/(4x+6)=10/(3-2x) | | 3p+2t=13 | | 5-2x=3x-7x+15 | | X+(-2)=-10 | | -.777m=1.833 | | 2x^2+12x+c=0 | | y/(-5)=-12 | | 1/2+4x=3x-5/2 | | 6+8(x+2)=7x | | -3/8s=-6 | | 5x-2=22-x | | -1+6(x-2)=15x+6-9x | | 8.1(4/9+1/27) | | -64/8=h | | 1t-9.5=-1.5 | | 3x+3x=6x | | -8*8=h | | 3.333=-.5t | | 3.333=-.5 | | 7/4x=140 | | 0=384t-32t^2 | | 4x+4+2x=-7x-22 | | 6m=5m+6 | | 6/10=x/8 | | h/8=-8 |

Equations solver categories