x(2x+11)+9=0

Simple and best practice solution for x(2x+11)+9=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(2x+11)+9=0 equation:


Simplifying
x(2x + 11) + 9 = 0

Reorder the terms:
x(11 + 2x) + 9 = 0
(11 * x + 2x * x) + 9 = 0
(11x + 2x2) + 9 = 0

Reorder the terms:
9 + 11x + 2x2 = 0

Solving
9 + 11x + 2x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(9 + 2x)(1 + x) = 0

Subproblem 1

Set the factor '(9 + 2x)' equal to zero and attempt to solve: Simplifying 9 + 2x = 0 Solving 9 + 2x = 0 Move all terms containing x to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + 2x = 0 + -9 Combine like terms: 9 + -9 = 0 0 + 2x = 0 + -9 2x = 0 + -9 Combine like terms: 0 + -9 = -9 2x = -9 Divide each side by '2'. x = -4.5 Simplifying x = -4.5

Subproblem 2

Set the factor '(1 + x)' equal to zero and attempt to solve: Simplifying 1 + x = 0 Solving 1 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + x = 0 + -1 x = 0 + -1 Combine like terms: 0 + -1 = -1 x = -1 Simplifying x = -1

Solution

x = {-4.5, -1}

See similar equations:

| 2x^2-20x-42=0 | | x^2-6x=-22 | | -1(1y+8)+6y=-9+5y+1 | | 3(x-1)=3(x-2)+3 | | 27+2x=5x-3 | | 6+-8x=10+-1x | | 5z-9=21 | | 0.01x=1 | | 5x+12=42+2x | | -16x^2+200x-50=0 | | -3(2x-4)-(5x-1)=6(x+1) | | 5z^3+320=0 | | -1y-22=1y-16 | | 27x^3=1000 | | 9x^2-123x-734=0 | | (2.5)x=(x-20)5 | | 3x^2+4x=-5 | | 2[3-4x]=10-x | | 32z^5-2z=0 | | 5h-3h+11=17 | | 3x^2-2x+112=0 | | 8c-3c-18=7 | | h(t)=2t^2+12t | | 4x^4-16x^2+9=0 | | 25+.05y=10+.10y | | (y/3)=-39 | | 5a+3=7 | | 4a-10a^3-a+2-8a^3= | | 27m^3+1=0 | | 5x-2/8+3x+1/4=3/4 | | 2-4x=10-7x | | g(x)=x^2-x+1 |

Equations solver categories