0.5x^2-6x-5=0

Simple and best practice solution for 0.5x^2-6x-5=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 0.5x^2-6x-5=0 equation:


Simplifying
0.5x2 + -6x + -5 = 0

Reorder the terms:
-5 + -6x + 0.5x2 = 0

Solving
-5 + -6x + 0.5x2 = 0

Solving for variable 'x'.

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

Divide each side by '0.5'.
-10 + -12x + x2 = 0

Move the constant term to the right:

Add '10' to each side of the equation.
-10 + -12x + 10 + x2 = 0 + 10

Reorder the terms:
-10 + 10 + -12x + x2 = 0 + 10

Combine like terms: -10 + 10 = 0
0 + -12x + x2 = 0 + 10
-12x + x2 = 0 + 10

Combine like terms: 0 + 10 = 10
-12x + x2 = 10

The x term is -12x.  Take half its coefficient (-6).
Square it (36) and add it to both sides.

Add '36' to each side of the equation.
-12x + 36 + x2 = 10 + 36

Reorder the terms:
36 + -12x + x2 = 10 + 36

Combine like terms: 10 + 36 = 46
36 + -12x + x2 = 46

Factor a perfect square on the left side:
(x + -6)(x + -6) = 46

Calculate the square root of the right side: 6.782329983

Break this problem into two subproblems by setting 
(x + -6) equal to 6.782329983 and -6.782329983.

Subproblem 1

x + -6 = 6.782329983 Simplifying x + -6 = 6.782329983 Reorder the terms: -6 + x = 6.782329983 Solving -6 + x = 6.782329983 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '6' to each side of the equation. -6 + 6 + x = 6.782329983 + 6 Combine like terms: -6 + 6 = 0 0 + x = 6.782329983 + 6 x = 6.782329983 + 6 Combine like terms: 6.782329983 + 6 = 12.782329983 x = 12.782329983 Simplifying x = 12.782329983

Subproblem 2

x + -6 = -6.782329983 Simplifying x + -6 = -6.782329983 Reorder the terms: -6 + x = -6.782329983 Solving -6 + x = -6.782329983 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '6' to each side of the equation. -6 + 6 + x = -6.782329983 + 6 Combine like terms: -6 + 6 = 0 0 + x = -6.782329983 + 6 x = -6.782329983 + 6 Combine like terms: -6.782329983 + 6 = -0.782329983 x = -0.782329983 Simplifying x = -0.782329983

Solution

The solution to the problem is based on the solutions from the subproblems. x = {12.782329983, -0.782329983}

See similar equations:

| 36b^2-49= | | -16x^2+60=0 | | y-4/5=72/3 | | 56z^2-22z+2=0 | | 2a-12=0 | | 8a^3+26a^2-24a= | | x+x+1=153 | | .6W-.4W+.3W=2 | | X^2+82x-720=0 | | 130=2w^2+5l^2 | | v+2/9=3 | | -16x^2+60=10 | | X^2=14x-45 | | x+(x-31.3)+(x+23.4)=194 | | (w-1)(w+1)=w(w-4) | | 8a+3b+2a=10a+3b | | X^2-24-5x=0 | | 3(m-1)=m+9 | | 4x-7y=-27 | | 5X-10X=20 | | -7x+18+2x=33 | | x+(x-32.7)+(x+23.4)=187.8 | | -4n^2+2n+90=0 | | 12-27x^2=0 | | 15x(17-15)= | | 6m^2=19m+20 | | (28B-7)-9(3B+4)=-6 | | x+3x=184 | | 4X-(3X+7)=-2 | | 7v^2+48v-7=0 | | 7x-12=x+4 | | 7p+12=33-4p |

Equations solver categories