asked 205k views
20 votes
Simplify (-3x)^2

please I need to know this answer

1 Answer

10 votes

Answer:

9x²

Explanation:

(- 3x)²

= - 3x × - 3x

= - 3 × - 3 × x × x

= 9 × x²

= 9x²

answered
User DSGym
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