Question

8x^3 + 84x²y + 294xy? + 343y if x = 1, y = 2​

Answer 1

Step-by-step explanation:

8x³+84x²y+294xy²+343y³

if

x=1 and y=2

so

8(1)³+84(1)²(2)+294(1)(2)²+343(2)³

8+84×2+294×4+343×8

8+168+1056+2744

3976

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Answer 2

Answer is in attachment

hope this will help you:)

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