X^2-16=20

Simple and best practice solution for X^2-16=20 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^2-16=20 equation: 


Simplifying
X2 + -16 = 20

Reorder the terms:
-16 + X2 = 20

Solving
-16 + X2 = 20

Solving for variable 'X'.

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

Add '16' to each side of the equation.
-16 + 16 + X2 = 20 + 16

Combine like terms: -16 + 16 = 0
0 + X2 = 20 + 16
X2 = 20 + 16

Combine like terms: 20 + 16 = 36
X2 = 36

Simplifying
X2 = 36

Take the square root of each side:
X = {-6, 6}

See similar equations:

| 2q^2+q-36=0 | | -15h+h-7=38 | | 2q^2+3q-27=0 | | 2(3+6x)-2=16 | | 5n^3-30n^2+40=0 | | -2-5=3-5x+6x | | 2(3+6x)=16 | | f(3)=x^3-27 | | X^2+1=37 | | -3+10=y-5 | | n^3-9n^2-n+9=0 | | n^3-9n-n+9=0 | | 49+w=102 | | 5(1-x)+2(3x-4)=-3(x+2) | | 11x-8=10(x+5)+10 | | 3-(2x+4)=5-(3x+1) | | n*29=319 | | 5a^2=16a+16 | | 3(2x-4)=3x | | 41=3x+20 | | 12x-1=11(x-8)+4 | | y=3(7)+20 | | 2(2x-3)=6+x | | 32=4+3w | | 333=9f | | 3(4x+20)=48 | | 4m-m+1=-6 | | a-174=308 | | 10x+9=9(x-7)-6 | | 5z=105 | | 3x-x+3=-x*5-1 | | x-2=6+2x |

Equations solver categories