6u^2-17u-6=0

Simple and best practice solution for 6u^2-17u-6=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 6u^2-17u-6=0 equation:


Simplifying
6u2 + -17u + -6 = 0

Reorder the terms:
-6 + -17u + 6u2 = 0

Solving
-6 + -17u + 6u2 = 0

Solving for variable 'u'.

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

Divide each side by '6'.
-1 + -2.833333333u + u2 = 0

Move the constant term to the right:

Add '1' to each side of the equation.
-1 + -2.833333333u + 1 + u2 = 0 + 1

Reorder the terms:
-1 + 1 + -2.833333333u + u2 = 0 + 1

Combine like terms: -1 + 1 = 0
0 + -2.833333333u + u2 = 0 + 1
-2.833333333u + u2 = 0 + 1

Combine like terms: 0 + 1 = 1
-2.833333333u + u2 = 1

The u term is -2.833333333u.  Take half its coefficient (-1.416666667).
Square it (2.006944445) and add it to both sides.

Add '2.006944445' to each side of the equation.
-2.833333333u + 2.006944445 + u2 = 1 + 2.006944445

Reorder the terms:
2.006944445 + -2.833333333u + u2 = 1 + 2.006944445

Combine like terms: 1 + 2.006944445 = 3.006944445
2.006944445 + -2.833333333u + u2 = 3.006944445

Factor a perfect square on the left side:
(u + -1.416666667)(u + -1.416666667) = 3.006944445

Calculate the square root of the right side: 1.734054337

Break this problem into two subproblems by setting 
(u + -1.416666667) equal to 1.734054337 and -1.734054337.

Subproblem 1

u + -1.416666667 = 1.734054337 Simplifying u + -1.416666667 = 1.734054337 Reorder the terms: -1.416666667 + u = 1.734054337 Solving -1.416666667 + u = 1.734054337 Solving for variable 'u'. Move all terms containing u to the left, all other terms to the right. Add '1.416666667' to each side of the equation. -1.416666667 + 1.416666667 + u = 1.734054337 + 1.416666667 Combine like terms: -1.416666667 + 1.416666667 = 0.000000000 0.000000000 + u = 1.734054337 + 1.416666667 u = 1.734054337 + 1.416666667 Combine like terms: 1.734054337 + 1.416666667 = 3.150721004 u = 3.150721004 Simplifying u = 3.150721004

Subproblem 2

u + -1.416666667 = -1.734054337 Simplifying u + -1.416666667 = -1.734054337 Reorder the terms: -1.416666667 + u = -1.734054337 Solving -1.416666667 + u = -1.734054337 Solving for variable 'u'. Move all terms containing u to the left, all other terms to the right. Add '1.416666667' to each side of the equation. -1.416666667 + 1.416666667 + u = -1.734054337 + 1.416666667 Combine like terms: -1.416666667 + 1.416666667 = 0.000000000 0.000000000 + u = -1.734054337 + 1.416666667 u = -1.734054337 + 1.416666667 Combine like terms: -1.734054337 + 1.416666667 = -0.31738767 u = -0.31738767 Simplifying u = -0.31738767

Solution

The solution to the problem is based on the solutions from the subproblems. u = {3.150721004, -0.31738767}

See similar equations:

| 4*3+3*2=18 | | 4(2x-1)-6(3-x)=3(x) | | x-9(7x+6x(-4x-4))= | | 71-4x=5x+22 | | 3s=168 | | (4/3)x+3=15 | | 8y-55=-4y-7 | | 4x+3y=183x-4y=1 | | -12.00+3.00m=12.00 | | 2.92=6.6-6.626x | | -12.00+3.00m=3.00 | | 6y-15y=-48-60 | | 6(x+1)=20 | | 3x-9=4x-11 | | 0.12(y-3)+0.18y=0.04y-1.4 | | 2.935e-19=6.6e-17-6.626e-34x | | 3(3/4)+8(3/4) | | 5a-4b+2c-3b-6c+a= | | 0.07(7t-3)=0.49(t-2)+0.77 | | 1000(8x-10)=50(586+100x) | | -33+4k=-2(k-4)-4 | | 6(x+4)/4=4x-5 | | 3x^2+5+x^2-9+x^2+15= | | 2/5x-7/20x=3 | | -6x-26=3x+10 | | 25=13-12x | | 0.16-0.02(x+2)=-0.02(2-x) | | 39.00+2.50x=100 | | (2x-2)(7x-3)= | | 8/9x+6=-1/9x | | -1+4=c-2 | | -6x^2+48x-42=0 |

Equations solver categories