3x^2+23x=-40

Simple and best practice solution for 3x^2+23x=-40 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+23x=-40 equation:


Simplifying
3x2 + 23x = -40

Reorder the terms:
23x + 3x2 = -40

Solving
23x + 3x2 = -40

Solving for variable 'x'.

Reorder the terms:
40 + 23x + 3x2 = -40 + 40

Combine like terms: -40 + 40 = 0
40 + 23x + 3x2 = 0

Factor a trinomial.
(5 + x)(8 + 3x) = 0

Subproblem 1

Set the factor '(5 + x)' equal to zero and attempt to solve: Simplifying 5 + x = 0 Solving 5 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + x = 0 + -5 x = 0 + -5 Combine like terms: 0 + -5 = -5 x = -5 Simplifying x = -5

Subproblem 2

Set the factor '(8 + 3x)' equal to zero and attempt to solve: Simplifying 8 + 3x = 0 Solving 8 + 3x = 0 Move all terms containing x to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + 3x = 0 + -8 Combine like terms: 8 + -8 = 0 0 + 3x = 0 + -8 3x = 0 + -8 Combine like terms: 0 + -8 = -8 3x = -8 Divide each side by '3'. x = -2.666666667 Simplifying x = -2.666666667

Solution

x = {-5, -2.666666667}

See similar equations:

| 9x+x=64 | | 100=5x+x+30 | | 8x+5=63 | | 3x^2-28x=116 | | A(3)=(3-1)(3) | | y=2px+yp^2 | | 2x+1000=700 | | 100=5x+x-30 | | 4(x-1.8)=2x+1 | | 4n+13=2 | | x+5=26-x | | 6x^2-3x=-x^2+13x-4 | | 0=16t^2+47t+3 | | 4x+2y=220 | | 0=16t^2+47x+3 | | 3x^2-28x=-116 | | 4+7x=7x+1 | | 5x^2-14=(5x+2)(x-9) | | 21x-8y=-1 | | 8x+7X(2x-1)+13-2x=5x-3X(2x+2)-5+23x+5 | | 4/5x-2x-5/3 | | 6/5x-(-4/5x) | | 5.1x+529.6=6641.0 | | (7-u)(5u+3)=0 | | 6641.0x+529.6=5.1 | | 3x^2=100000000 | | (3x+9)=(4y+8) | | x^2+16y^2-96y+128=0 | | 7-v+5v=1+5v | | sqrt(7x+2)+sqrt(x+2)=6 | | 5x^2=1000000000000 | | (3x+9)=180 |

Equations solver categories