(3x+2y+2z) (9x²+4y²4z²-6xy-4yz-6zx)
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= (3x + 2y + 2z) [(3x)2 + (2y)2 + (2z)2 – 3x x 2y + 2y x 2z + 2z x 3x] = (3x)3 + (2y)3 + (2z)3 – 3 x 3x x 2y x 2z = 27x3 + 8y3 + 8Z3 – 36xyz Read more on Sarthaks.com - https://www.sarthaks.com/604626/find-the-following-products-i-3x-2y-2z-9x-2-4y-2-4z-2-6xy-4yz-6zx?show=604643#a604643
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