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Question
Find the product of 2abc − 3xy and 2abc + 3xy
Sum
Solution
(2abc − 3xy) × (2abc + 3xy)
= 2abc × (2abc − 3xy) + 3xy × (2abc − 3xy)
= 4a2b2c2 − 6abcxy + 6abcxy − 9x2y2
= 4a2b2c2 − 9x2y2
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Concept for Unknowns Through Examples with Simple Contexts (Single Operations)
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