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\left. \begin{array} { l } { \text { Find the following product: } } \\ { ( 2 x - y + 3 z ) ( 4 x ^ { 2 } + y ^ { 2 } + 9 z ^ { 2 } + 2 x y + 3 y z - 6 x z ) } \end{array} \right. |
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Answer» (2x-y+3z)(4x^2+y^2+9z^2+2xy+3yz-6xz)=8x^3+2xy^2+18xz^2+4x^2y+6xyz-12x^2z-4x^2y-y^3-9yz^2-2xy^2-3y^2zt+6xyz+12x^2z+3y^2z+27z^3+6xyz+9yz^2-18xz^2=8x^3-y^3+27z^3+18xyz |
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