Answer:
3x² + 3x - 6
Explanation:
(3x - 3)(x + 2)
each term in the second factor is multiplied by each term in the first factor, that is
3x(x + 2) - 3(x + 2) ← distribute parenthesis
= 3x² + 6x - 3x - 6 ← collect like terms
= 3x² + 3x - 6
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