3x (x - 1) = 3x² - 3x
Answer:
3x² - 3x
Step-by-step 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
