Multiply. Simplify by combining like terms.(6a2 + 5b2)(6a2 - 5b2)
A. 36a4 - 25b4
B. a4 - 25b4
C. 36a4 + 60ab - 25b4
D. 36a2 - 60a2b2 - 25b4
Answer: A
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