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Hi there! Have questions about your homework? At Brainly, there are 60 million students who want to help each other learn. Questions are usually answered in less than 10 minutes. Try it for yourself by posting a question! :D

the formula is .. *cube of 1st , 2nd and 3rd term *twice the product of the 1st and second term *twice the product of the 1st and 3rd term *twice the product of the 2nd and 3rd term

the answer is 9x^3 + 729y^3-512w^3+54xy-48xw-144yw :)