Question

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Answer 1

А) 2(х^2-1)/3(х^2+2х+1)=
2(х-1)×(х+1)/3(х+1)^2=
2(х-1)/3(х+1)
2х-2/3х+3
б)2(4-4t+t^2)=
2(2-t)×(2+t)=
2(2-t)/3(2+t)=
4-2t/6+3t
в)x^2-16xy^2=
x×(x-16y^2)