2n^2+5n=12

Simple and best practice solution for 2n^2+5n=12 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 2n^2+5n=12 equation:


Simplifying
2n2 + 5n = 12

Reorder the terms:
5n + 2n2 = 12

Solving
5n + 2n2 = 12

Solving for variable 'n'.

Reorder the terms:
-12 + 5n + 2n2 = 12 + -12

Combine like terms: 12 + -12 = 0
-12 + 5n + 2n2 = 0

Factor a trinomial.
(-4 + -1n)(3 + -2n) = 0

Subproblem 1

Set the factor '(-4 + -1n)' equal to zero and attempt to solve: Simplifying -4 + -1n = 0 Solving -4 + -1n = 0 Move all terms containing n to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + -1n = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -1n = 0 + 4 -1n = 0 + 4 Combine like terms: 0 + 4 = 4 -1n = 4 Divide each side by '-1'. n = -4 Simplifying n = -4

Subproblem 2

Set the factor '(3 + -2n)' equal to zero and attempt to solve: Simplifying 3 + -2n = 0 Solving 3 + -2n = 0 Move all terms containing n to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -2n = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -2n = 0 + -3 -2n = 0 + -3 Combine like terms: 0 + -3 = -3 -2n = -3 Divide each side by '-2'. n = 1.5 Simplifying n = 1.5

Solution

n = {-4, 1.5}

See similar equations:

| 15-3(x-1)=x-2 | | 11x+25=3x+129 | | 9(40+20)=60x | | 3(40+20)=60*3 | | 3(40+20)=60x*3 | | 3(40+20)=60x | | 3x=1x+8 | | 8p-8=3p+12 | | 50x-20=(x-4) | | 5y^2+27y+10=0 | | 4x(5x+3)= | | 5x^2=30x-10x^2 | | 120-15x=0 | | r^2+4r-5=7 | | 8=6k-26 | | ((y+3)(y+3))+y^2=9 | | 120-15x=9 | | -6-32=2x | | -8=z-16 | | (6a-p)(6a+p)= | | a-8=10 | | 12x-5=-65 | | b+4=-b-4 | | 3-0.166666667b=-3 | | 625000.00-37000.00x=0 | | 9z^2-16= | | 5x-2x=0 | | 7+12b=18b-17 | | y=16x^2-81 | | -9b+2=-11b+16 | | 5(2x-9)=-3(4x-7) | | 16q^2+56q+49= |

Equations solver categories