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Question
Evaluate: (3a2 − 4b2) (8a2 − 3b2)
Sum
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Solution
(3a2 − 4b2) (8a2 − 3b2)
= 3a2 (8a2 − 3b2) − 4b2 (8a2 − 3b2)
= 24a4 − 9a2b2 − 32a2b2 + 12b4
= 24a4 − 41a2b2 + 12b4
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Product of Sum and Difference of Two Terms
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