3x^2-3x-50=0

Simple and best practice solution for 3x^2-3x-50=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^2-3x-50=0 equation:


Simplifying
3x2 + -3x + -50 = 0

Reorder the terms:
-50 + -3x + 3x2 = 0

Solving
-50 + -3x + 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'.
-16.66666667 + -1x + x2 = 0

Move the constant term to the right:

Add '16.66666667' to each side of the equation.
-16.66666667 + -1x + 16.66666667 + x2 = 0 + 16.66666667

Reorder the terms:
-16.66666667 + 16.66666667 + -1x + x2 = 0 + 16.66666667

Combine like terms: -16.66666667 + 16.66666667 = 0.00000000
0.00000000 + -1x + x2 = 0 + 16.66666667
-1x + x2 = 0 + 16.66666667

Combine like terms: 0 + 16.66666667 = 16.66666667
-1x + x2 = 16.66666667

The x term is -1x.  Take half its coefficient (-0.5).
Square it (0.25) and add it to both sides.

Add '0.25' to each side of the equation.
-1x + 0.25 + x2 = 16.66666667 + 0.25

Reorder the terms:
0.25 + -1x + x2 = 16.66666667 + 0.25

Combine like terms: 16.66666667 + 0.25 = 16.91666667
0.25 + -1x + x2 = 16.91666667

Factor a perfect square on the left side:
(x + -0.5)(x + -0.5) = 16.91666667

Calculate the square root of the right side: 4.11298756

Break this problem into two subproblems by setting 
(x + -0.5) equal to 4.11298756 and -4.11298756.

Subproblem 1

x + -0.5 = 4.11298756 Simplifying x + -0.5 = 4.11298756 Reorder the terms: -0.5 + x = 4.11298756 Solving -0.5 + x = 4.11298756 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.5' to each side of the equation. -0.5 + 0.5 + x = 4.11298756 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + x = 4.11298756 + 0.5 x = 4.11298756 + 0.5 Combine like terms: 4.11298756 + 0.5 = 4.61298756 x = 4.61298756 Simplifying x = 4.61298756

Subproblem 2

x + -0.5 = -4.11298756 Simplifying x + -0.5 = -4.11298756 Reorder the terms: -0.5 + x = -4.11298756 Solving -0.5 + x = -4.11298756 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.5' to each side of the equation. -0.5 + 0.5 + x = -4.11298756 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + x = -4.11298756 + 0.5 x = -4.11298756 + 0.5 Combine like terms: -4.11298756 + 0.5 = -3.61298756 x = -3.61298756 Simplifying x = -3.61298756

Solution

The solution to the problem is based on the solutions from the subproblems. x = {4.61298756, -3.61298756}

See similar equations:

| 65+2(80-y)+y=180 | | log^3(3x-2)=2 | | y+(x+100)=180 | | 20(4)=equation | | 20(4)= | | 8z-1=12 | | 55-5(3b-1)=-11 | | (7-w)(5w-2)=0 | | la+5l=13 | | Ia+5l=13 | | 1/2(8+6)-2=4+x-2 | | 20+50y+x=180 | | x^3+2x^2-70x+13=0 | | 2+ln(x+4)=8 | | x+4-3=8 | | 5x-25+6x+3=180 | | 5i=123 | | 3-2(2-4)=2+2 | | 18x+6y=252 | | 527r=123483 | | (60x+1)(x+25)=0 | | 3-5=2+5 | | 5(6x+5)(2x+1)=0 | | 5(6x-5)(2x-1)=0 | | 30x=-2x^2-100 | | 7x+2=9x | | 0=(5x-7)(3x-2) | | 17=3(x+5)+8 | | -15.4-15d+22d=4.4 | | 0=(5x+7)(3x+7) | | 0=(15x+2)(x+7) | | (4x-3y)dx+(2y-3x)dy=0 |

Equations solver categories