3x^2+7x-24=-13x

Simple and best practice solution for 3x^2+7x-24=-13x 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 3x^2+7x-24=-13x equation:


Simplifying
3x2 + 7x + -24 = -13x

Reorder the terms:
-24 + 7x + 3x2 = -13x

Solving
-24 + 7x + 3x2 = -13x

Solving for variable 'x'.

Reorder the terms:
-24 + 7x + 13x + 3x2 = -13x + 13x

Combine like terms: 7x + 13x = 20x
-24 + 20x + 3x2 = -13x + 13x

Combine like terms: -13x + 13x = 0
-24 + 20x + 3x2 = 0

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

Divide each side by '3'.
-8 + 6.666666667x + x2 = 0

Move the constant term to the right:

Add '8' to each side of the equation.
-8 + 6.666666667x + 8 + x2 = 0 + 8

Reorder the terms:
-8 + 8 + 6.666666667x + x2 = 0 + 8

Combine like terms: -8 + 8 = 0
0 + 6.666666667x + x2 = 0 + 8
6.666666667x + x2 = 0 + 8

Combine like terms: 0 + 8 = 8
6.666666667x + x2 = 8

The x term is 6.666666667x.  Take half its coefficient (3.333333334).
Square it (11.11111112) and add it to both sides.

Add '11.11111112' to each side of the equation.
6.666666667x + 11.11111112 + x2 = 8 + 11.11111112

Reorder the terms:
11.11111112 + 6.666666667x + x2 = 8 + 11.11111112

Combine like terms: 8 + 11.11111112 = 19.11111112
11.11111112 + 6.666666667x + x2 = 19.11111112

Factor a perfect square on the left side:
(x + 3.333333334)(x + 3.333333334) = 19.11111112

Calculate the square root of the right side: 4.371625684

Break this problem into two subproblems by setting 
(x + 3.333333334) equal to 4.371625684 and -4.371625684.

Subproblem 1

x + 3.333333334 = 4.371625684 Simplifying x + 3.333333334 = 4.371625684 Reorder the terms: 3.333333334 + x = 4.371625684 Solving 3.333333334 + x = 4.371625684 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3.333333334' to each side of the equation. 3.333333334 + -3.333333334 + x = 4.371625684 + -3.333333334 Combine like terms: 3.333333334 + -3.333333334 = 0.000000000 0.000000000 + x = 4.371625684 + -3.333333334 x = 4.371625684 + -3.333333334 Combine like terms: 4.371625684 + -3.333333334 = 1.03829235 x = 1.03829235 Simplifying x = 1.03829235

Subproblem 2

x + 3.333333334 = -4.371625684 Simplifying x + 3.333333334 = -4.371625684 Reorder the terms: 3.333333334 + x = -4.371625684 Solving 3.333333334 + x = -4.371625684 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3.333333334' to each side of the equation. 3.333333334 + -3.333333334 + x = -4.371625684 + -3.333333334 Combine like terms: 3.333333334 + -3.333333334 = 0.000000000 0.000000000 + x = -4.371625684 + -3.333333334 x = -4.371625684 + -3.333333334 Combine like terms: -4.371625684 + -3.333333334 = -7.704959018 x = -7.704959018 Simplifying x = -7.704959018

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.03829235, -7.704959018}

See similar equations:

| 5-7(1+3v)=-15 | | 2-5[3-(4y-5)]= | | 2(n+1)-8=-2(n-7) | | 6=1-n+5 | | 5.5y-0.2=4.5y-6.2 | | -8-2(-y-7)=6(5y-4)+3 | | -2y+64=4(4y-2) | | 2(4z+6)-3(z+1)= | | 37-2x=10 | | 9/10a+4a/5b | | 5u-17=7u-17 | | 14a=17a | | x^2-93x+90=0 | | 0=-3t+20 | | 2y+18=-2(-y-9) | | 8(4+5x)=112 | | -5r+9=64 | | 3(x-4)+5x=-2(x+6)+10x | | x^2+3x-28/2x^2-6x-8 | | 6x+12=4x+4 | | -(3x+9y-5)= | | 63x^2-64x+16=0 | | 4n+13=23 | | (3x^2-7x+1)+(2x^2+5x+5)= | | 3r-39=-5(r+2)+3 | | 4w-16=2w-16 | | (1/(x-2))+(1(x-4)) | | -z+35=6z | | r^2-r+43=0 | | 3x-15=x+3/3 | | 9n+4+14=4 | | -25t^4+10t^2+3=0 |

Equations solver categories