9n^2+36n+20=0

Simple and best practice solution for 9n^2+36n+20=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 9n^2+36n+20=0 equation:


Simplifying
9n2 + 36n + 20 = 0

Reorder the terms:
20 + 36n + 9n2 = 0

Solving
20 + 36n + 9n2 = 0

Solving for variable 'n'.

Factor a trinomial.
(10 + 3n)(2 + 3n) = 0

Subproblem 1

Set the factor '(10 + 3n)' equal to zero and attempt to solve: Simplifying 10 + 3n = 0 Solving 10 + 3n = 0 Move all terms containing n to the left, all other terms to the right. Add '-10' to each side of the equation. 10 + -10 + 3n = 0 + -10 Combine like terms: 10 + -10 = 0 0 + 3n = 0 + -10 3n = 0 + -10 Combine like terms: 0 + -10 = -10 3n = -10 Divide each side by '3'. n = -3.333333333 Simplifying n = -3.333333333

Subproblem 2

Set the factor '(2 + 3n)' equal to zero and attempt to solve: Simplifying 2 + 3n = 0 Solving 2 + 3n = 0 Move all terms containing n to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + 3n = 0 + -2 Combine like terms: 2 + -2 = 0 0 + 3n = 0 + -2 3n = 0 + -2 Combine like terms: 0 + -2 = -2 3n = -2 Divide each side by '3'. n = -0.6666666667 Simplifying n = -0.6666666667

Solution

n = {-3.333333333, -0.6666666667}

See similar equations:

| a*6-1=10 | | 1,430/2=t/5 | | b-(-55)=62 | | 3/4x-1/3x=1/12 | | 5x+5+7x-8+4x-13+5x-2=360 | | 6c=-78 | | 5x-13=4x+5 | | 10=16 | | -3(2-3y)=2(1+5y) | | v/2 | | a^3c^2/9b | | x+4=10x-14 | | 4(3x+1)=5x+66 | | .5x+12.3=7.1-1.1x | | 28=3X-14 | | 4(x+x+7)-2x+8-4= | | T^3+8t^2+15t=0 | | 2X^2-7X+3=5 | | (-3-1/3x)^3 | | 2+0.5d=25 | | h=3+80t-16t^2 | | x^2+9=103 | | 5k-21=-3k+24 | | 0.5d-2=25 | | -16p+13p+-1=14 | | 9559=20p+6 | | 22=16t^2+28t+40 | | 6x-6-4x=4 | | 12x+x-17x+6x-8x=-12 | | 4+(3)-2+(6+4*2)= | | -12w+-w+3w-8w=18 | | 20+6=9559 |

Equations solver categories