Объяснение:
[tex]3y^2+12y+16=3*(x^2+4y+\frac{16}{3})=3*(x^2+4y+4-4+5\frac{1}{3})=\\\\ =3*(x+2)^2+\frac{4}{3})=3*(x+2)^2+4.[/tex]
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Объяснение:
[tex]3y^2+12y+16=3*(x^2+4y+\frac{16}{3})=3*(x^2+4y+4-4+5\frac{1}{3})=\\\\ =3*(x+2)^2+\frac{4}{3})=3*(x+2)^2+4.[/tex]