Question

Раскройте скобки:
а)(2х-4)^2
б)(2х+у^3)^2

Answer 1

а) $2 x^{2} -16x+16$
б) $2 x^{2} +4x y^{3} + y^{6}$

Answer 2

а)(2х-4)^2=4х^2-16х+16
б)(2х+у^3)^2=4х^2+4ху^3+у^6