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2a2 - ab - 3b2 + 9 when a = 3 and b = 2
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2a2 - ab - 3b2 + 9 when a = 3 and b = 2
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Mar 24, 2021
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2a2 - ab - 3b2 + 9 when a = 3 and b = 2
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Weiweishuo
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2(3^2)−(3)(2)−3(2^2)+9
2(3^2)−(3)(2)−3(2^2)+9
= 9
Nidya
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Mar 30, 2021
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Nidya
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