Разложите на множители 18xy^2-2xz^2
18xy^2-2xz^2=2х(9у^2 - z^2)=2x(3у-z)(3у+z)
18xy^2-2xz^2=2х*(9у^2-z^2)=2x*(3у-z)*(3у+z)
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18xy^2-2xz^2=2х(9у^2 - z^2)=2x(3у-z)(3у+z)
18xy^2-2xz^2=2х*(9у^2-z^2)=2x*(3у-z)*(3у+z)