1) 9x^2+3x+2.5
2)16x^2-56xy+49y^2
3) x^4+2x^2y^3+y^6
1) (3x+0,5)^2
(3х+)^2
9х^2+3х+
2) (-4x+7y) (-4x+7y)^2
(7у-4х)^2
49у^2-56ху+16х^2
3) (x^2+y^3)^2
(х^2)^2+2х^2y^3+(y^3)^2
x^4+2x^2y^3+y^6
1) 9x^2+3x+2.5
2)16x^2-56xy+49y^2
3) x^4+2x^2y^3+y^6
1) (3x+0,5)^2
(3х+
)^2
9х^2+3х+
2) (-4x+7y) (-4x+7y)^2
(7у-4х)^2
49у^2-56ху+16х^2
3) (x^2+y^3)^2
(х^2)^2+2х^2y^3+(y^3)^2
x^4+2x^2y^3+y^6