simplify (7x²y-3z²) (x+y+z)
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Step-by-step explanation:
(7x²y-3z²) (x+y+z)
(7x²y-3z²)x+(7x²y-3z²)y+(7x²y-3z²)z
(7x^3y-3z²x+(7x²y^2-3z²y+(7x²yz-3z^3
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