8n^2=-64+72n

Simple and best practice solution for 8n^2=-64+72n 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 8n^2=-64+72n equation:


Simplifying
8n2 = -64 + 72n

Solving
8n2 = -64 + 72n

Solving for variable 'n'.

Reorder the terms:
64 + -72n + 8n2 = -64 + 72n + 64 + -72n

Reorder the terms:
64 + -72n + 8n2 = -64 + 64 + 72n + -72n

Combine like terms: -64 + 64 = 0
64 + -72n + 8n2 = 0 + 72n + -72n
64 + -72n + 8n2 = 72n + -72n

Combine like terms: 72n + -72n = 0
64 + -72n + 8n2 = 0

Factor out the Greatest Common Factor (GCF), '8'.
8(8 + -9n + n2) = 0

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

Ignore the factor 8.

Subproblem 1

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

Subproblem 2

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

Solution

n = {1, 8}

See similar equations:

| 7y-8=34 | | 4x^2+8=108 | | 61y=20(3y+10) | | 26=8+t | | x=3x-(12-x) | | q+(q-4)=-16 | | 35=9-2z | | 4-4=12x+4x | | 3(b+6)=-24 | | 0.4(2x+8)=0.3-(x-3) | | 40=10-2b | | (x+1)/(x-1)-(3x)/(3x-6)=0 | | 3x-15y=-24 | | 5x(x^2+4x-12)=0 | | -2=7c+(2-5c) | | 10-(x-2)=5 | | 0.77+0.39t=1.41t-0.76 | | x-4=-1-(-8) | | 8k-4+6=6(k+7)+5(k-2) | | 5/3+2/3x=31/12+7/4x+3/4 | | (1/4x)+3=(3/4x)-7 | | 2w-5w=-21 | | 10=2+(4h+4) | | 8x+2=-9+7x | | 9x+11=-1+11x | | 2b-6+3=14 | | -3y-6x=11 | | 11c-2=-8c+74 | | 9/-z=1 | | p(6-p)= | | 32=-c/5 | | 15/8+1/3t=6 |

Equations solver categories