SOLUTION: Evaluate a2+ab-b2+5 when a=2 and b=3
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Question 769286
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Evaluate a2+ab-b2+5 when a=2 and b=3
Answer by
Cromlix(4381)
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a^2 + ab - b^2 + 5
(2)^2 + (2*3) - (3)^2 + 5
4 + 6 - 9 + 5
10 - 14
= -4
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