8.1k views
4 votes
Simplify
(3y)^2 x y^-1

User Januszm
by
6.1k points

1 Answer

5 votes

Answer:

9y

Explanation:


\bullet\; \tt{(3y)^2} = 3^2y^2 = 9y^2}


\bullet\; \tt y^(-1) = (1)/(y)\\\\\bullet\;(3y)^2 * y^(-1) = 9y^2 * (1)/(y ) = (9y^2)/(y)\\\\\\bullet \tt (y^2)/(y) = y\\\\\tt \bullet (9y^2)/(y) = 9y

User AJ Gregory
by
7.6k points
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