X^2-20=9n

Simple and best practice solution for X^2-20=9n 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 X^2-20=9n equation:


Simplifying
X2 + -20 = 9n

Reorder the terms:
-20 + X2 = 9n

Solving
-20 + X2 = 9n

Solving for variable 'X'.

Move all terms containing X to the left, all other terms to the right.

Add '20' to each side of the equation.
-20 + 20 + X2 = 20 + 9n

Combine like terms: -20 + 20 = 0
0 + X2 = 20 + 9n
X2 = 20 + 9n

Simplifying
X2 = 20 + 9n

Reorder the terms:
-20 + X2 + -9n = 20 + 9n + -20 + -9n

Reorder the terms:
-20 + X2 + -9n = 20 + -20 + 9n + -9n

Combine like terms: 20 + -20 = 0
-20 + X2 + -9n = 0 + 9n + -9n
-20 + X2 + -9n = 9n + -9n

Combine like terms: 9n + -9n = 0
-20 + X2 + -9n = 0

The solution to this equation could not be determined.

See similar equations:

| (10.0)(50.0-x)(4.184)=(20.0)(x-10.0)(4.184) | | N-3n=14-3n | | y=9mx+4bsolvex | | 1/3+11=7 | | 1x+1.5y=10 | | y=2.8x+4.4 | | 2x+3x=3x+64 | | 3x+8=5x+7 | | x+(x+8)+(x+3)=119 | | 5.1a+15=60.9 | | 2.4+1=7(2h-4) | | 0.2s=4 | | y=9mx+4b | | (4x-3)(7x+7)=0 | | 3x+12=7x+18 | | -12-5y=15 | | f(t)=t^2+t-5 | | 9=8t(-2t+3) | | -5x-3x-59=101 | | 15x+12y=90 | | K=r-s | | 7(12+x)=7(x-10) | | 11y=1y+75 | | Lg(2)x=15 | | 4(8x-12)=80 | | 9x+48y= | | x^2+2mx-35m^2=0 | | 10x^2+6x-2=0 | | -7(5+9a)= | | x^3+2016y^3=2405 | | 3x^2+12x+36=x | | 4.5b-5.25b+3=3.72 |

Equations solver categories