evaluate the expression -4ab -a²b+2 when a =1 and b = 2, then what is the exact value ?
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evaluate the expression -4ab -a²b+2 when a =1 and b = 2, then what is the exact value ?
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Answer:
-32
Step-by-step explanation:
Solution:
-4×1×2= -8
-1×-1×2+2 = 4
-8×4= -32
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Answer:
95
Step-by-step explanati