n^2=-3n+40

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


Simplifying
n2 = -3n + 40

Reorder the terms:
n2 = 40 + -3n

Solving
n2 = 40 + -3n

Solving for variable 'n'.

Reorder the terms:
-40 + 3n + n2 = 40 + -3n + -40 + 3n

Reorder the terms:
-40 + 3n + n2 = 40 + -40 + -3n + 3n

Combine like terms: 40 + -40 = 0
-40 + 3n + n2 = 0 + -3n + 3n
-40 + 3n + n2 = -3n + 3n

Combine like terms: -3n + 3n = 0
-40 + 3n + n2 = 0

Factor a trinomial.
(-8 + -1n)(5 + -1n) = 0

Subproblem 1

Set the factor '(-8 + -1n)' equal to zero and attempt to solve: Simplifying -8 + -1n = 0 Solving -8 + -1n = 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 + -1n = 0 + 8 Combine like terms: -8 + 8 = 0 0 + -1n = 0 + 8 -1n = 0 + 8 Combine like terms: 0 + 8 = 8 -1n = 8 Divide each side by '-1'. n = -8 Simplifying n = -8

Subproblem 2

Set the factor '(5 + -1n)' equal to zero and attempt to solve: Simplifying 5 + -1n = 0 Solving 5 + -1n = 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 + -1n = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -1n = 0 + -5 -1n = 0 + -5 Combine like terms: 0 + -5 = -5 -1n = -5 Divide each side by '-1'. n = 5 Simplifying n = 5

Solution

n = {-8, 5}

See similar equations:

| 56-(2c+4)=4(c+6)+c | | 5m^2-3m-14=0 | | z/4+8=9-z/4 | | 8j-5j-j+2j-3=9 | | 25x^2+10x+1=16 | | Y=-5x^2+20x-14 | | 13b-11b+3b+3=13 | | 7=63/n | | 7x-5=y | | 13g+(-10g)+16g-18g=(-8) | | b^2+12b-64=0 | | 6xc=576 | | 2/3x+6=-12 | | 3=(x*1.10)+((x+.65)*1.25) | | 8x+10y=-8 | | 8j*2-4j-18=0 | | 9xc=855 | | 2x^(1/3)-2=0 | | 15y-10y=25 | | 3=(x*1.10)+(x+.65) | | 141+2h=991 | | x^(1/2)-5=0 | | 3h/7-4=629/42 | | 49x^2+1=82 | | 13y-10y-8=35.68 | | -4y^2-7y=1 | | 4(x-5)-5=6x | | 875=5(x+17) | | x^2+57-44=0 | | 4x-9=7x+2 | | n^2+2n-55=0 | | 128a^2-192a+72= |

Equations solver categories