5x^2+92x-240=0

Simple and best practice solution for 5x^2+92x-240=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+92x-240=0 equation:


Simplifying
5x2 + 92x + -240 = 0

Reorder the terms:
-240 + 92x + 5x2 = 0

Solving
-240 + 92x + 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'.
-48 + 18.4x + x2 = 0

Move the constant term to the right:

Add '48' to each side of the equation.
-48 + 18.4x + 48 + x2 = 0 + 48

Reorder the terms:
-48 + 48 + 18.4x + x2 = 0 + 48

Combine like terms: -48 + 48 = 0
0 + 18.4x + x2 = 0 + 48
18.4x + x2 = 0 + 48

Combine like terms: 0 + 48 = 48
18.4x + x2 = 48

The x term is 18.4x.  Take half its coefficient (9.2).
Square it (84.64) and add it to both sides.

Add '84.64' to each side of the equation.
18.4x + 84.64 + x2 = 48 + 84.64

Reorder the terms:
84.64 + 18.4x + x2 = 48 + 84.64

Combine like terms: 48 + 84.64 = 132.64
84.64 + 18.4x + x2 = 132.64

Factor a perfect square on the left side:
(x + 9.2)(x + 9.2) = 132.64

Calculate the square root of the right side: 11.516944039

Break this problem into two subproblems by setting 
(x + 9.2) equal to 11.516944039 and -11.516944039.

Subproblem 1

x + 9.2 = 11.516944039 Simplifying x + 9.2 = 11.516944039 Reorder the terms: 9.2 + x = 11.516944039 Solving 9.2 + x = 11.516944039 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-9.2' to each side of the equation. 9.2 + -9.2 + x = 11.516944039 + -9.2 Combine like terms: 9.2 + -9.2 = 0.0 0.0 + x = 11.516944039 + -9.2 x = 11.516944039 + -9.2 Combine like terms: 11.516944039 + -9.2 = 2.316944039 x = 2.316944039 Simplifying x = 2.316944039

Subproblem 2

x + 9.2 = -11.516944039 Simplifying x + 9.2 = -11.516944039 Reorder the terms: 9.2 + x = -11.516944039 Solving 9.2 + x = -11.516944039 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-9.2' to each side of the equation. 9.2 + -9.2 + x = -11.516944039 + -9.2 Combine like terms: 9.2 + -9.2 = 0.0 0.0 + x = -11.516944039 + -9.2 x = -11.516944039 + -9.2 Combine like terms: -11.516944039 + -9.2 = -20.716944039 x = -20.716944039 Simplifying x = -20.716944039

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.316944039, -20.716944039}

See similar equations:

| 2(U-6)=2(10+U) | | r=0.25 | | 4a^2+24a+9=0 | | 15y^2+20y-75=0 | | 3x+6y=7.23 | | 4x^2+3x-517=0 | | 2xy+4=34 | | 200x^2-X^4=5000 | | x^4-200x^2+5000=0 | | 6(-3)-3y=-18 | | 6(6)-3y=-18 | | 6(6)-3=-18 | | x^5+9x^4-x-9= | | x^4-20x^2+500=0 | | (9x-22)+(5x)=90 | | 2(x-4)-3(x-7)=17 | | -8w=36 | | 9(t-3)+5t=7(2t+5)-13 | | (7y+5)-(4+6y)=10 | | 5x+20y=780 | | 2.5(x+6)=9.0+1.9x | | 4(3+5x)-2=90 | | 5.27-1.54x=4x-1.65 | | 2x-21=-33+6x | | X=455*.35 | | -2(-3)d=-36 | | 9+4=13 | | j=8(3.14p) | | 43(10-7x)+32(19-7x)=25(7x-19) | | 13-7s-19=6s+30-4s | | 4343(19-7x)+32(19-7x)=25(7x-19) | | X=.6667*180 |

Equations solver categories