6x^2+11x-27=0

Simple and best practice solution for 6x^2+11x-27=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 6x^2+11x-27=0 equation:


Simplifying
6x2 + 11x + -27 = 0

Reorder the terms:
-27 + 11x + 6x2 = 0

Solving
-27 + 11x + 6x2 = 0

Solving for variable 'x'.

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

Divide each side by '6'.
-4.5 + 1.833333333x + x2 = 0

Move the constant term to the right:

Add '4.5' to each side of the equation.
-4.5 + 1.833333333x + 4.5 + x2 = 0 + 4.5

Reorder the terms:
-4.5 + 4.5 + 1.833333333x + x2 = 0 + 4.5

Combine like terms: -4.5 + 4.5 = 0.0
0.0 + 1.833333333x + x2 = 0 + 4.5
1.833333333x + x2 = 0 + 4.5

Combine like terms: 0 + 4.5 = 4.5
1.833333333x + x2 = 4.5

The x term is 1.833333333x.  Take half its coefficient (0.9166666665).
Square it (0.8402777775) and add it to both sides.

Add '0.8402777775' to each side of the equation.
1.833333333x + 0.8402777775 + x2 = 4.5 + 0.8402777775

Reorder the terms:
0.8402777775 + 1.833333333x + x2 = 4.5 + 0.8402777775

Combine like terms: 4.5 + 0.8402777775 = 5.3402777775
0.8402777775 + 1.833333333x + x2 = 5.3402777775

Factor a perfect square on the left side:
(x + 0.9166666665)(x + 0.9166666665) = 5.3402777775

Calculate the square root of the right side: 2.310904104

Break this problem into two subproblems by setting 
(x + 0.9166666665) equal to 2.310904104 and -2.310904104.

Subproblem 1

x + 0.9166666665 = 2.310904104 Simplifying x + 0.9166666665 = 2.310904104 Reorder the terms: 0.9166666665 + x = 2.310904104 Solving 0.9166666665 + x = 2.310904104 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.9166666665' to each side of the equation. 0.9166666665 + -0.9166666665 + x = 2.310904104 + -0.9166666665 Combine like terms: 0.9166666665 + -0.9166666665 = 0.0000000000 0.0000000000 + x = 2.310904104 + -0.9166666665 x = 2.310904104 + -0.9166666665 Combine like terms: 2.310904104 + -0.9166666665 = 1.3942374375 x = 1.3942374375 Simplifying x = 1.3942374375

Subproblem 2

x + 0.9166666665 = -2.310904104 Simplifying x + 0.9166666665 = -2.310904104 Reorder the terms: 0.9166666665 + x = -2.310904104 Solving 0.9166666665 + x = -2.310904104 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.9166666665' to each side of the equation. 0.9166666665 + -0.9166666665 + x = -2.310904104 + -0.9166666665 Combine like terms: 0.9166666665 + -0.9166666665 = 0.0000000000 0.0000000000 + x = -2.310904104 + -0.9166666665 x = -2.310904104 + -0.9166666665 Combine like terms: -2.310904104 + -0.9166666665 = -3.2275707705 x = -3.2275707705 Simplifying x = -3.2275707705

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.3942374375, -3.2275707705}

See similar equations:

| 6x+115=12x-5 | | 2y-7=3y | | 3k-1=23 | | 8x=7x-15 | | 24=8z | | 0.1x+0.5y=-3.3 | | 0.27x+0.18y=20.7 | | T+12=4 | | 62-6x=30x+18 | | 0.04x-0.04y=1.6 | | 5k-3=2 | | 1x+9=6 | | 6k+1=25 | | 2v=6 | | f(3)=6 | | 0.27x+0.17y=2.2 | | 4m-5=23 | | 0.06x-0.01y=0.8 | | 0.27x+0.17y=19.6 | | 5m+4=49 | | 0.04x-0.01y=2.2 | | 2x+16=132 | | 3m-2=13 | | 0=x^2-6x-4 | | 2(4xy-10)+2(3xy-5)= | | 3y+23=-7 | | a=23/275252415118829929216165141442627288292917716511525626 | | a=23/2 | | (6x+2)=2 | | 4+12x=103+x | | 20x+1=50-9 | | 52x-1=12x-51 |

Equations solver categories