Answer:
(3y - 2)²
Step-by-step explanation:
9y² - 12y + 4
3²y² - 12y + 4
3²y² - 2 × 3y × 2 + 4
3²y² - 2 × 3y × 2 + 2²
(3y)² - 2 × 3y × 2 + 2²
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Answer:
(3y - 2)²
Step-by-step explanation:
9y² - 12y + 4
3²y² - 12y + 4
3²y² - 2 × 3y × 2 + 4
3²y² - 2 × 3y × 2 + 2²
(3y)² - 2 × 3y × 2 + 2²
(3y - 2)²