Math, asked by adityadhruw75, 1 year ago

solve this question ☝

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Answered by harisurya0102

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Answer:

Step-by-step explanation:(7abc+b^2)(7-bc)+c(2b^3-9ab)

49abc-7ab^2c^2+cb^3-9abc

Cb^3-7ab^2c^2+40abc

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