Answer:
B and D
Explanation:
A difference of squares has the form a² - b²
4p² - 9 = (2p)² - 3² ← is a difference of squares
q² - 36 = q² - 6² ← is a difference of squares
answer:
4p²-9 and q²-36 as it is in the form of x²-y²
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