3x^2+33x-9.5=

Simple and best practice solution for 3x^2+33x-9.5= 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+33x-9.5= equation:


Simplifying
3x2 + 33x + -9.5 = 0

Reorder the terms:
-9.5 + 33x + 3x2 = 0

Solving
-9.5 + 33x + 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'.
-3.166666667 + 11x + x2 = 0

Move the constant term to the right:

Add '3.166666667' to each side of the equation.
-3.166666667 + 11x + 3.166666667 + x2 = 0 + 3.166666667

Reorder the terms:
-3.166666667 + 3.166666667 + 11x + x2 = 0 + 3.166666667

Combine like terms: -3.166666667 + 3.166666667 = 0.000000000
0.000000000 + 11x + x2 = 0 + 3.166666667
11x + x2 = 0 + 3.166666667

Combine like terms: 0 + 3.166666667 = 3.166666667
11x + x2 = 3.166666667

The x term is 11x.  Take half its coefficient (5.5).
Square it (30.25) and add it to both sides.

Add '30.25' to each side of the equation.
11x + 30.25 + x2 = 3.166666667 + 30.25

Reorder the terms:
30.25 + 11x + x2 = 3.166666667 + 30.25

Combine like terms: 3.166666667 + 30.25 = 33.416666667
30.25 + 11x + x2 = 33.416666667

Factor a perfect square on the left side:
(x + 5.5)(x + 5.5) = 33.416666667

Calculate the square root of the right side: 5.780715065

Break this problem into two subproblems by setting 
(x + 5.5) equal to 5.780715065 and -5.780715065.

Subproblem 1

x + 5.5 = 5.780715065 Simplifying x + 5.5 = 5.780715065 Reorder the terms: 5.5 + x = 5.780715065 Solving 5.5 + x = 5.780715065 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-5.5' to each side of the equation. 5.5 + -5.5 + x = 5.780715065 + -5.5 Combine like terms: 5.5 + -5.5 = 0.0 0.0 + x = 5.780715065 + -5.5 x = 5.780715065 + -5.5 Combine like terms: 5.780715065 + -5.5 = 0.280715065 x = 0.280715065 Simplifying x = 0.280715065

Subproblem 2

x + 5.5 = -5.780715065 Simplifying x + 5.5 = -5.780715065 Reorder the terms: 5.5 + x = -5.780715065 Solving 5.5 + x = -5.780715065 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-5.5' to each side of the equation. 5.5 + -5.5 + x = -5.780715065 + -5.5 Combine like terms: 5.5 + -5.5 = 0.0 0.0 + x = -5.780715065 + -5.5 x = -5.780715065 + -5.5 Combine like terms: -5.780715065 + -5.5 = -11.280715065 x = -11.280715065 Simplifying x = -11.280715065

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.280715065, -11.280715065}

See similar equations:

| 2(-.75y)-y=0 | | -100=-5x+50 | | .4y-3y=0 | | (3x-3)/6=5 | | xy+8x-8y-64= | | y{-1/6x^2 | | 6u^2+6u+1=0 | | -u-7=-5u | | 3x+8=11x+18 | | 6x^4-48= | | w^2-8w+1=0 | | 6j^2-6j=0 | | 3+log(3)(-5x)=4 | | 4q^2+9q+4=0 | | 7(3x+5)=11(x-9) | | -8t-12=-4t | | 9540=n-2(180) | | 0.8z-4.4=2 | | 3/7•63 | | 2y^2(5y+3)(y-2)=0 | | -4(5x+11)=138 | | 2l+2(40)=700 | | k^2-4K=29 | | 7+2p-2=9p+10-6p | | -2-13=-17 | | V=4/3*PI*2^3 | | z^2-24z=47 | | 4z-17=-9 | | 4x^2+9y^2-z^2=36 | | 49/4x1/3= | | 7x^6-4x^8= | | t^2+98=98 |

Equations solver categories