5x^2+24x=-15

Simple and best practice solution for 5x^2+24x=-15 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=-15 equation:


Simplifying
5x2 + 24x = -15

Reorder the terms:
24x + 5x2 = -15

Solving
24x + 5x2 = -15

Solving for variable 'x'.

Reorder the terms:
15 + 24x + 5x2 = -15 + 15

Combine like terms: -15 + 15 = 0
15 + 24x + 5x2 = 0

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

Divide each side by '5'.
3 + 4.8x + x2 = 0

Move the constant term to the right:

Add '-3' to each side of the equation.
3 + 4.8x + -3 + x2 = 0 + -3

Reorder the terms:
3 + -3 + 4.8x + x2 = 0 + -3

Combine like terms: 3 + -3 = 0
0 + 4.8x + x2 = 0 + -3
4.8x + x2 = 0 + -3

Combine like terms: 0 + -3 = -3
4.8x + x2 = -3

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 = -3 + 5.76

Reorder the terms:
5.76 + 4.8x + x2 = -3 + 5.76

Combine like terms: -3 + 5.76 = 2.76
5.76 + 4.8x + x2 = 2.76

Factor a perfect square on the left side:
(x + 2.4)(x + 2.4) = 2.76

Calculate the square root of the right side: 1.661324773

Break this problem into two subproblems by setting 
(x + 2.4) equal to 1.661324773 and -1.661324773.

Subproblem 1

x + 2.4 = 1.661324773 Simplifying x + 2.4 = 1.661324773 Reorder the terms: 2.4 + x = 1.661324773 Solving 2.4 + x = 1.661324773 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 = 1.661324773 + -2.4 Combine like terms: 2.4 + -2.4 = 0.0 0.0 + x = 1.661324773 + -2.4 x = 1.661324773 + -2.4 Combine like terms: 1.661324773 + -2.4 = -0.738675227 x = -0.738675227 Simplifying x = -0.738675227

Subproblem 2

x + 2.4 = -1.661324773 Simplifying x + 2.4 = -1.661324773 Reorder the terms: 2.4 + x = -1.661324773 Solving 2.4 + x = -1.661324773 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 = -1.661324773 + -2.4 Combine like terms: 2.4 + -2.4 = 0.0 0.0 + x = -1.661324773 + -2.4 x = -1.661324773 + -2.4 Combine like terms: -1.661324773 + -2.4 = -4.061324773 x = -4.061324773 Simplifying x = -4.061324773

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-0.738675227, -4.061324773}

See similar equations:

| x^6-52x+51=0 | | 12=y-36 | | -12y=-36 | | x-.25=31.6 | | q+(-1)=15 | | -7-4=-11 | | -75n=n+9 | | 6x+23=16x-71 | | (x^2)=1.8(0.3-x) | | 6-15(x+2)+12x=6x-(3x-4)+20 | | 2(3x-2)=4(x+2) | | 45+0.12x=49.32 | | (B+2)(-B^2+4b-3)= | | 8-6(x+4)+4x=4x-(2x-5)+11 | | 4x(3x+2)-3x(4x-5)=3x-8 | | (2z+9)(z-7)= | | (-x^4)+(8x^2)-2=0 | | (4w-4)(5w+6)= | | 7x=12x+10 | | X+8+x-6=3(x-5) | | 13d-5=60 | | -8p-8=56 | | (-2a-9)+(9+4)= | | x^2+y^2-8x+9y=-11.25 | | (4x+7)+(x-3)= | | 6x-39=4x-11 | | 3x^2+5x-2= | | 11=6x+5 | | 5x^2+20x-160= | | (X-6)+(2x+9)= | | 3c^2+14c+8=0 | | 3x^2-7x+2= |

Equations solver categories