5x^2+24x-12=0

Simple and best practice solution for 5x^2+24x-12=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+24x-12=0 equation:


Simplifying
5x2 + 24x + -12 = 0

Reorder the terms:
-12 + 24x + 5x2 = 0

Solving
-12 + 24x + 5x2 = 0

Solving for variable 'x'.

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

Divide each side by '5'.
-2.4 + 4.8x + x2 = 0

Move the constant term to the right:

Add '2.4' to each side of the equation.
-2.4 + 4.8x + 2.4 + x2 = 0 + 2.4

Reorder the terms:
-2.4 + 2.4 + 4.8x + x2 = 0 + 2.4

Combine like terms: -2.4 + 2.4 = 0.0
0.0 + 4.8x + x2 = 0 + 2.4
4.8x + x2 = 0 + 2.4

Combine like terms: 0 + 2.4 = 2.4
4.8x + x2 = 2.4

The x term is 4.8x.  Take half its coefficient (2.4).
Square it (5.76) and add it to both sides.

Add '5.76' to each side of the equation.
4.8x + 5.76 + x2 = 2.4 + 5.76

Reorder the terms:
5.76 + 4.8x + x2 = 2.4 + 5.76

Combine like terms: 2.4 + 5.76 = 8.16
5.76 + 4.8x + x2 = 8.16

Factor a perfect square on the left side:
(x + 2.4)(x + 2.4) = 8.16

Calculate the square root of the right side: 2.856571371

Break this problem into two subproblems by setting 
(x + 2.4) equal to 2.856571371 and -2.856571371.

Subproblem 1

x + 2.4 = 2.856571371 Simplifying x + 2.4 = 2.856571371 Reorder the terms: 2.4 + x = 2.856571371 Solving 2.4 + x = 2.856571371 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2.4' to each side of the equation. 2.4 + -2.4 + x = 2.856571371 + -2.4 Combine like terms: 2.4 + -2.4 = 0.0 0.0 + x = 2.856571371 + -2.4 x = 2.856571371 + -2.4 Combine like terms: 2.856571371 + -2.4 = 0.456571371 x = 0.456571371 Simplifying x = 0.456571371

Subproblem 2

x + 2.4 = -2.856571371 Simplifying x + 2.4 = -2.856571371 Reorder the terms: 2.4 + x = -2.856571371 Solving 2.4 + x = -2.856571371 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2.4' to each side of the equation. 2.4 + -2.4 + x = -2.856571371 + -2.4 Combine like terms: 2.4 + -2.4 = 0.0 0.0 + x = -2.856571371 + -2.4 x = -2.856571371 + -2.4 Combine like terms: -2.856571371 + -2.4 = -5.256571371 x = -5.256571371 Simplifying x = -5.256571371

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.456571371, -5.256571371}

See similar equations:

| 11-9x=24-16x | | 3/8+8m/7=93/56 | | x-8y=4 | | 4/7s=12 | | b/11-5b/11=16/11 | | 5/3y=15 | | 14x-1/2x5 | | -2(r+9)=-27 | | ((n+1)(n+2)(2n+3))/6 | | x=144p/y | | -10(n+10)=-270 | | 3x+16=180 | | 216-2x=180 | | 4x^2-29x-12=0 | | y+75+3y+5=180 | | 8x-5+3=x-7+10 | | w/12=64 | | 3x+7+5x-35=180 | | 6x+6x=16x-42 | | 12/64 | | (6n+9n^6+13n^5)-(-16n^5+2n^6-5n)= | | 6z-7q=2z+8 | | 2e^5x+3=5 | | 2/9a=2/3 | | 6n+9n^6+13n^5= | | 1/3x+1/4y=12 | | x^3-2x^2-7x+14=0 | | 12y+30=24(3.25)+18 | | k^2-16+225=0 | | 3.7=6.1-0.4x | | -1/5x-3=17 | | 8/4-8=12 |

Equations solver categories