6x^2-14x-3=0

Simple and best practice solution for 6x^2-14x-3=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^2-14x-3=0 equation:


Simplifying
6x2 + -14x + -3 = 0

Reorder the terms:
-3 + -14x + 6x2 = 0

Solving
-3 + -14x + 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'.
-0.5 + -2.333333333x + x2 = 0

Move the constant term to the right:

Add '0.5' to each side of the equation.
-0.5 + -2.333333333x + 0.5 + x2 = 0 + 0.5

Reorder the terms:
-0.5 + 0.5 + -2.333333333x + x2 = 0 + 0.5

Combine like terms: -0.5 + 0.5 = 0.0
0.0 + -2.333333333x + x2 = 0 + 0.5
-2.333333333x + x2 = 0 + 0.5

Combine like terms: 0 + 0.5 = 0.5
-2.333333333x + x2 = 0.5

The x term is -2.333333333x.  Take half its coefficient (-1.166666667).
Square it (1.361111112) and add it to both sides.

Add '1.361111112' to each side of the equation.
-2.333333333x + 1.361111112 + x2 = 0.5 + 1.361111112

Reorder the terms:
1.361111112 + -2.333333333x + x2 = 0.5 + 1.361111112

Combine like terms: 0.5 + 1.361111112 = 1.861111112
1.361111112 + -2.333333333x + x2 = 1.861111112

Factor a perfect square on the left side:
(x + -1.166666667)(x + -1.166666667) = 1.861111112

Calculate the square root of the right side: 1.364225462

Break this problem into two subproblems by setting 
(x + -1.166666667) equal to 1.364225462 and -1.364225462.

Subproblem 1

x + -1.166666667 = 1.364225462 Simplifying x + -1.166666667 = 1.364225462 Reorder the terms: -1.166666667 + x = 1.364225462 Solving -1.166666667 + x = 1.364225462 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.166666667' to each side of the equation. -1.166666667 + 1.166666667 + x = 1.364225462 + 1.166666667 Combine like terms: -1.166666667 + 1.166666667 = 0.000000000 0.000000000 + x = 1.364225462 + 1.166666667 x = 1.364225462 + 1.166666667 Combine like terms: 1.364225462 + 1.166666667 = 2.530892129 x = 2.530892129 Simplifying x = 2.530892129

Subproblem 2

x + -1.166666667 = -1.364225462 Simplifying x + -1.166666667 = -1.364225462 Reorder the terms: -1.166666667 + x = -1.364225462 Solving -1.166666667 + x = -1.364225462 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.166666667' to each side of the equation. -1.166666667 + 1.166666667 + x = -1.364225462 + 1.166666667 Combine like terms: -1.166666667 + 1.166666667 = 0.000000000 0.000000000 + x = -1.364225462 + 1.166666667 x = -1.364225462 + 1.166666667 Combine like terms: -1.364225462 + 1.166666667 = -0.197558795 x = -0.197558795 Simplifying x = -0.197558795

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.530892129, -0.197558795}

See similar equations:

| 2y-2=2(-4) | | X(x+3)-4(x+3)= | | 3-(x+4)+5= | | w-4/5=19/3 | | h^2=50 | | 5x+2+6x-4+y=90 | | 123.45-36.55=x | | 9x^2-64x+45=0 | | 3y-11/x | | 9w^2-33w+22=0 | | y=2cos^2x | | 30=10x+6x | | h^2=52 | | 2y-2=2(4) | | 2.5x+30=4x | | 3x-4=7x-12 | | 10-8x=3(-3x-4) | | -5=-x+3y | | 9/1-17/5 | | log27x=2/3 | | .2+x=7 | | y+6x=12x-7 | | 30=10(x)+6(x) | | 3y-6=4y | | 4x-24+3x=6x+1 | | 8y=-6x+4 | | 15y=-4-5(1/5) | | 5(n-2)=0 | | x^3=2x^2+3x | | x+x+40+x-50=90 | | 95-73=x | | 2(x-3)+5(-x)=2(-x)-4 |

Equations solver categories