X^2+3X-24=0

Simple and best practice solution for X^2+3X-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 X^2+3X-24=0 equation:


Simplifying
X2 + 3X + -24 = 0

Reorder the terms:
-24 + 3X + X2 = 0

Solving
-24 + 3X + X2 = 0

Solving for variable 'X'.

Begin completing the square.

Move the constant term to the right:

Add '24' to each side of the equation.
-24 + 3X + 24 + X2 = 0 + 24

Reorder the terms:
-24 + 24 + 3X + X2 = 0 + 24

Combine like terms: -24 + 24 = 0
0 + 3X + X2 = 0 + 24
3X + X2 = 0 + 24

Combine like terms: 0 + 24 = 24
3X + X2 = 24

The X term is 3X.  Take half its coefficient (1.5).
Square it (2.25) and add it to both sides.

Add '2.25' to each side of the equation.
3X + 2.25 + X2 = 24 + 2.25

Reorder the terms:
2.25 + 3X + X2 = 24 + 2.25

Combine like terms: 24 + 2.25 = 26.25
2.25 + 3X + X2 = 26.25

Factor a perfect square on the left side:
(X + 1.5)(X + 1.5) = 26.25

Calculate the square root of the right side: 5.123475383

Break this problem into two subproblems by setting 
(X + 1.5) equal to 5.123475383 and -5.123475383.

Subproblem 1

X + 1.5 = 5.123475383 Simplifying X + 1.5 = 5.123475383 Reorder the terms: 1.5 + X = 5.123475383 Solving 1.5 + X = 5.123475383 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '-1.5' to each side of the equation. 1.5 + -1.5 + X = 5.123475383 + -1.5 Combine like terms: 1.5 + -1.5 = 0.0 0.0 + X = 5.123475383 + -1.5 X = 5.123475383 + -1.5 Combine like terms: 5.123475383 + -1.5 = 3.623475383 X = 3.623475383 Simplifying X = 3.623475383

Subproblem 2

X + 1.5 = -5.123475383 Simplifying X + 1.5 = -5.123475383 Reorder the terms: 1.5 + X = -5.123475383 Solving 1.5 + X = -5.123475383 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '-1.5' to each side of the equation. 1.5 + -1.5 + X = -5.123475383 + -1.5 Combine like terms: 1.5 + -1.5 = 0.0 0.0 + X = -5.123475383 + -1.5 X = -5.123475383 + -1.5 Combine like terms: -5.123475383 + -1.5 = -6.623475383 X = -6.623475383 Simplifying X = -6.623475383

Solution

The solution to the problem is based on the solutions from the subproblems. X = {3.623475383, -6.623475383}

See similar equations:

| x+(x+1)+(X+2)=186 | | 8(2x-5)=18x-6 | | S+74=89 | | 10n= | | 2(2w-6)+2w=66 | | -48.23y+21.37=21.29-71.1y | | -16b+-4+17b-1=0 | | 3x-3=7x+6 | | 72=12T | | 67+z=158 | | 7x-4y=-16 | | 0.07x+0.38=-0.16-0.05x | | 5(x-3)+6x-2(3x-4)=0 | | 2160=24000*0.03 | | 3x+2(6x-4)=37 | | 16-5(2x-4)=12 | | 21+3(2x+3)=39 | | 5x-19=0 | | 22x+24=-33x-8 | | 3d=d+9+6 | | 5+3x=65 | | 8(2x+5)=-40 | | 131=54+d | | 9x=90 | | 3.14=2*3.14r | | 4d=d+9+6 | | 50.2=2*3.14r | | 5x^2-10xy+5y^2= | | 85=9+m | | 41.16+28.99y=-88.8+16.96y | | x^4-10x^2+24=0 | | 3n+6=7n-26 |

Equations solver categories