x^2+24x-15=0

Simple and best practice solution for x^2+24x-15=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+24x-15=0 equation:


Simplifying
x2 + 24x + -15 = 0

Reorder the terms:
-15 + 24x + x2 = 0

Solving
-15 + 24x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '15' to each side of the equation.
-15 + 24x + 15 + x2 = 0 + 15

Reorder the terms:
-15 + 15 + 24x + x2 = 0 + 15

Combine like terms: -15 + 15 = 0
0 + 24x + x2 = 0 + 15
24x + x2 = 0 + 15

Combine like terms: 0 + 15 = 15
24x + x2 = 15

The x term is 24x.  Take half its coefficient (12).
Square it (144) and add it to both sides.

Add '144' to each side of the equation.
24x + 144 + x2 = 15 + 144

Reorder the terms:
144 + 24x + x2 = 15 + 144

Combine like terms: 15 + 144 = 159
144 + 24x + x2 = 159

Factor a perfect square on the left side:
(x + 12)(x + 12) = 159

Calculate the square root of the right side: 12.609520213

Break this problem into two subproblems by setting 
(x + 12) equal to 12.609520213 and -12.609520213.

Subproblem 1

x + 12 = 12.609520213 Simplifying x + 12 = 12.609520213 Reorder the terms: 12 + x = 12.609520213 Solving 12 + x = 12.609520213 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-12' to each side of the equation. 12 + -12 + x = 12.609520213 + -12 Combine like terms: 12 + -12 = 0 0 + x = 12.609520213 + -12 x = 12.609520213 + -12 Combine like terms: 12.609520213 + -12 = 0.609520213 x = 0.609520213 Simplifying x = 0.609520213

Subproblem 2

x + 12 = -12.609520213 Simplifying x + 12 = -12.609520213 Reorder the terms: 12 + x = -12.609520213 Solving 12 + x = -12.609520213 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-12' to each side of the equation. 12 + -12 + x = -12.609520213 + -12 Combine like terms: 12 + -12 = 0 0 + x = -12.609520213 + -12 x = -12.609520213 + -12 Combine like terms: -12.609520213 + -12 = -24.609520213 x = -24.609520213 Simplifying x = -24.609520213

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.609520213, -24.609520213}

See similar equations:

| 6y+4x=24 | | 9x+60=4x | | 15x+8=11x+4 | | 3(3y-1)-(2y)=2 | | onehalfx+6=-2 | | 5(3+6x)-4=101 | | 5(2x-8)=5(x-3)+3 | | 3r^2+26r=40 | | x^2+5x=32 | | 3p+17=-4 | | x^2+5x=38 | | a+1=8 | | x^3+5x=30 | | x^3+5x=32 | | x^3+5x=34 | | x^3+5x=36 | | -21m-8=64 | | 18-38=-5x | | 6x-7=10-3x | | 8z+4z=-9-4+3z | | 8+6+x=5+9 | | y=8x-23 | | 21x+10-5=22x+4 | | -3y+10=-2(3y+7) | | 6x^7-3x^3+2x^7+8x^3= | | 4(4.15y)*(5.25y)=852.15 | | 27w+60=3w^2 | | 15x+5y=25 | | 4X-6+7X-9=9X+4+5X-12+X | | 10y+20=0 | | 6y+8=12y+8 | | 50=12t+15x+n |

Equations solver categories