factorize completely y²-9
Answers
Answered by
3
Answer:
y²-9= (y+3) (y-3)
Step-by-step explanation:
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Answered by
1
Answer:
y²-9
=> (y)² - (3)²
Using the identity a² - b² = (a+b)(a-b)
=> (y+3)(y-3)
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