2x^2-33x-60=0

Simple and best practice solution for 2x^2-33x-60=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 2x^2-33x-60=0 equation:


Simplifying
2x2 + -33x + -60 = 0

Reorder the terms:
-60 + -33x + 2x2 = 0

Solving
-60 + -33x + 2x2 = 0

Solving for variable 'x'.

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

Divide each side by '2'.
-30 + -16.5x + x2 = 0

Move the constant term to the right:

Add '30' to each side of the equation.
-30 + -16.5x + 30 + x2 = 0 + 30

Reorder the terms:
-30 + 30 + -16.5x + x2 = 0 + 30

Combine like terms: -30 + 30 = 0
0 + -16.5x + x2 = 0 + 30
-16.5x + x2 = 0 + 30

Combine like terms: 0 + 30 = 30
-16.5x + x2 = 30

The x term is -16.5x.  Take half its coefficient (-8.25).
Square it (68.0625) and add it to both sides.

Add '68.0625' to each side of the equation.
-16.5x + 68.0625 + x2 = 30 + 68.0625

Reorder the terms:
68.0625 + -16.5x + x2 = 30 + 68.0625

Combine like terms: 30 + 68.0625 = 98.0625
68.0625 + -16.5x + x2 = 98.0625

Factor a perfect square on the left side:
(x + -8.25)(x + -8.25) = 98.0625

Calculate the square root of the right side: 9.90265116

Break this problem into two subproblems by setting 
(x + -8.25) equal to 9.90265116 and -9.90265116.

Subproblem 1

x + -8.25 = 9.90265116 Simplifying x + -8.25 = 9.90265116 Reorder the terms: -8.25 + x = 9.90265116 Solving -8.25 + x = 9.90265116 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '8.25' to each side of the equation. -8.25 + 8.25 + x = 9.90265116 + 8.25 Combine like terms: -8.25 + 8.25 = 0.00 0.00 + x = 9.90265116 + 8.25 x = 9.90265116 + 8.25 Combine like terms: 9.90265116 + 8.25 = 18.15265116 x = 18.15265116 Simplifying x = 18.15265116

Subproblem 2

x + -8.25 = -9.90265116 Simplifying x + -8.25 = -9.90265116 Reorder the terms: -8.25 + x = -9.90265116 Solving -8.25 + x = -9.90265116 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '8.25' to each side of the equation. -8.25 + 8.25 + x = -9.90265116 + 8.25 Combine like terms: -8.25 + 8.25 = 0.00 0.00 + x = -9.90265116 + 8.25 x = -9.90265116 + 8.25 Combine like terms: -9.90265116 + 8.25 = -1.65265116 x = -1.65265116 Simplifying x = -1.65265116

Solution

The solution to the problem is based on the solutions from the subproblems. x = {18.15265116, -1.65265116}

See similar equations:

| 11+6k=25 | | 3x+8+2x-5=24 | | Ba+x=ca+d | | Ba+a=ca+d | | -6y+11x=-36 | | 4(8k+1)-3k=-20+5k | | 123=6k+3(5+7k) | | 2(6-x)+24-18x=70-24x-18(-3) | | 2x^2-45x-60=0 | | 55=4x+2x+7 | | 3x+12x-8-2x=12x | | 3(4v-7)=-2v+7 | | -x^2+150x-10000= | | -8x+6=13-7x | | 3x^2+4=5x^2+6x-2 | | 5/3x-8=x-12 | | (g+4)-3g=l+g | | 2x^2-21x-60=0 | | log(1-x)+logx=log(x+4) | | 9=-6p-3/-8 | | 23x+7-27x=1-6 | | Bx+a=cx+d | | -107=-5(6x-8)+3 | | 18m+5=66 | | 2x+4+6x=92 | | 5+2x=8+3x | | 5x-23+6x+11x+5=180 | | 30-5/t=12.5 | | 9(w-4)-7w=3(3w-2) | | -5sin(x)=-2cos^2(x+4) | | 2x^4+x^2=6 | | 65/216 |

Equations solver categories