( p - 2/3 q ) ( p + 2/3 q ) = ?
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Answer:
p² - 4/6 q²
Step-by-step explanation:
( p - 2/3 q ) ( p + 2/3 q )
by using
(a + b) (a - b) = a² - b²
( p - 2/3 q ) ( p + 2/3 q )
= p² - (2/3 q)²
= p² - 4/6 q²
hope this helps you dear..
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