9n^2+53n+40=0

Simple and best practice solution for 9n^2+53n+40=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+53n+40=0 equation:


Simplifying
9n2 + 53n + 40 = 0

Reorder the terms:
40 + 53n + 9n2 = 0

Solving
40 + 53n + 9n2 = 0

Solving for variable 'n'.

Factor a trinomial.
(5 + n)(8 + 9n) = 0

Subproblem 1

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

Subproblem 2

Set the factor '(8 + 9n)' equal to zero and attempt to solve: Simplifying 8 + 9n = 0 Solving 8 + 9n = 0 Move all terms containing n to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + 9n = 0 + -8 Combine like terms: 8 + -8 = 0 0 + 9n = 0 + -8 9n = 0 + -8 Combine like terms: 0 + -8 = -8 9n = -8 Divide each side by '9'. n = -0.8888888889 Simplifying n = -0.8888888889

Solution

n = {-5, -0.8888888889}

See similar equations:

| 2x-8+6=0 | | 4x+by+18=0 | | 10-23= | | -3(3+5k)=-84 | | -6(9x+2y+1)= | | 3645*^(2/3) | | 8b^2+2b-45=0 | | 2n^2=-9n+95 | | a(-6)=6+(-6-1)(6) | | 0.7=(0.5-x)+x+x | | 3645x^(2/3) | | X+5+3x-5=60 | | 36a^2-64b^2= | | 10x-11-22=x+2x+100 | | 3645x^2/3 | | 2x+4(3x+2)=2x+5 | | 3p^2-3=45 | | 6x^2+6y^2=36 | | 5m-2=3(m+4) | | 3b^2+b=102 | | 4a^2+5=273 | | 10+5y=8y+4 | | A(n)=50+(-8)(n-1) | | 10x^2+3-0.4=0 | | 12-5(x+9)+7x= | | Y-5=9-y | | e^2lnx=6 | | (5)(3-1)+4= | | -4x-10=-7x-1 | | 7w-42=9w | | 7m^2+56=42m | | A(n)=15+3(n-1) |

Equations solver categories