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Jordin
Mathematics
2 July, 15:59
Is 36z^2 - 9 a difference of squares?
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Taylor Bullock
2 July, 16:12
0
yes
Step-by-step explanation:
A difference of squares has the form a² - b² = (a - b) (a + b)
note that 36z² = (6z) ² ⇒ a = 6z and 9 = 3² ⇒ b = 3
36z² - 9 is a difference of squares and factors as (6z - 3) (6z + 3)
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