How do you simplify $(3x)^-2$ ?

Question

9182 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2016-06-16T15:00:45

$1/(9x^2)$

To simplify $(3x)^-2$

Begin by eliminating the negative exponent by moving that term to the denominator.

$1/((3x)^2)$

Now distribute the exponent

$1/(3^2x^2)$

Now simplify

$1/(9x^2)$

How do you simplify (3x)^-2 (3x)^-2 ?