Answer:
3x² - 3x
Explanation:
Assuming you require to simplify the expression
Given
3x(x - 1) ← multiply each term in the parenthesis by 3x
= (3x × x) + (3x × - 1)
= 3x² + (- 3x)
= 3x² - 3x
3x (x - 1) = 3x² - 3x
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