q^2-16=

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


Simplifying
q2 + -16 = 0

Reorder the terms:
-16 + q2 = 0

Solving
-16 + q2 = 0

Solving for variable 'q'.

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

Add '16' to each side of the equation.
-16 + 16 + q2 = 0 + 16

Combine like terms: -16 + 16 = 0
0 + q2 = 0 + 16
q2 = 0 + 16

Combine like terms: 0 + 16 = 16
q2 = 16

Simplifying
q2 = 16

Take the square root of each side:
q = {-4, 4}

See similar equations:

| 5(2-1)=5z | | m^3-6m^2=-8m | | -3x-(5)=-2+-2x | | n^4+9=10n^2 | | V^2-56=-v | | 0=4x^2+2 | | 6(2+y)-y=-10 | | 5h^2=4+19h | | 5w^2-26w-24= | | 14=2(4n-1) | | 2x+-3=5+x | | 0=5x^2+4x | | 2k^2-k=1 | | d^4=4d^2 | | 16x=-24 | | 0=x^2+7 | | 2c^2=5c-2 | | y^2-y-90=0 | | y^3=y | | 3-4x-x+9= | | 14m-5=219 | | 4x+23=15 | | 12x^3-20x^2+x+3=0 | | b^3-4b=0 | | 3(2x-1)=4x+7 | | 6w-17w=22 | | 0=x^2+4x | | a^2+9=10a | | 64=3x+13 | | s^2-9s=0 | | a^2-4a+3=0 | | -81+15x=161+4x |

Equations solver categories