(4a + 3b) (9b2 + 4a) at a =1, b = -2
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0
Answer:
according to me it is the correct answer for the question
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1
Answer:
=80
Step-by-step explanation:
={4×1+3(-2)}{9×4+4×1}
={4-6×9×4+4}
=2×40
=80 answer
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