.5x^2-x-24=0

Simple and best practice solution for .5x^2-x-24=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 .5x^2-x-24=0 equation:


Simplifying
0.5x2 + -1x + -24 = 0

Reorder the terms:
-24 + -1x + 0.5x2 = 0

Solving
-24 + -1x + 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'.
-48 + -2x + x2 = 0

Move the constant term to the right:

Add '48' to each side of the equation.
-48 + -2x + 48 + x2 = 0 + 48

Reorder the terms:
-48 + 48 + -2x + x2 = 0 + 48

Combine like terms: -48 + 48 = 0
0 + -2x + x2 = 0 + 48
-2x + x2 = 0 + 48

Combine like terms: 0 + 48 = 48
-2x + x2 = 48

The x term is -2x.  Take half its coefficient (-1).
Square it (1) and add it to both sides.

Add '1' to each side of the equation.
-2x + 1 + x2 = 48 + 1

Reorder the terms:
1 + -2x + x2 = 48 + 1

Combine like terms: 48 + 1 = 49
1 + -2x + x2 = 49

Factor a perfect square on the left side:
(x + -1)(x + -1) = 49

Calculate the square root of the right side: 7

Break this problem into two subproblems by setting 
(x + -1) equal to 7 and -7.

Subproblem 1

x + -1 = 7 Simplifying x + -1 = 7 Reorder the terms: -1 + x = 7 Solving -1 + x = 7 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + x = 7 + 1 Combine like terms: -1 + 1 = 0 0 + x = 7 + 1 x = 7 + 1 Combine like terms: 7 + 1 = 8 x = 8 Simplifying x = 8

Subproblem 2

x + -1 = -7 Simplifying x + -1 = -7 Reorder the terms: -1 + x = -7 Solving -1 + x = -7 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + x = -7 + 1 Combine like terms: -1 + 1 = 0 0 + x = -7 + 1 x = -7 + 1 Combine like terms: -7 + 1 = -6 x = -6 Simplifying x = -6

Solution

The solution to the problem is based on the solutions from the subproblems. x = {8, -6}

See similar equations:

| 6x^2-18x^5=o | | 4x(7+6)-4=6x+7 | | 4+7x-3x=4 | | 5(4s/3+3)=11 | | -3=-5+x/2 | | 3x^3-12x^2+36x=0 | | 3x^3-12x^2+36=0 | | -4w=14 | | -15+7=-14+6 | | -15+7=-8+6 | | 3/4n=7/8 | | -15+7=x+6 | | 8y+3(y-6)=4(y+2)-3 | | 7x+4+3x=-6 | | 5(4c-1)-2=18c+9 | | 30/3x-12+1/x-4=11/3 | | 3+4+x=2+5 | | 3t-3=4(t+7) | | 2x=16-(6x+48) | | 35x+6*7=-7x-14+4+17x | | 7y-5/3=9/4y | | 0-2=5x | | 0=3.2x+9.6 | | 3.14*5*5= | | (3Q/2)*4(6+8)=20 | | -72-98= | | 8a+6a= | | 2*22/7*5 | | -7/2(y-4)-1/6y | | -63=12-5k | | -63=12-5 | | 100-76= |

Equations solver categories