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8xy - 7y^2 (if x=-2 and y = -4)
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8xy - 7y^2 (if x=-2 and y = -4)

User Spionred
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1 Answer

5 votes

Answer:

-48

Explanation:


8(-2)(-4)-7(-4)^2 \\ \\ =8(8)-7(16) \\ \\ =64-112 \\ \\ =-48

User JNN
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