Question

разложите на множители x+2y-x^2-4xy-4y^2

Answer 1

x+2y-x²-4xy-4y²=(x+2y)-(x²+4xy+4y²)=(x+2y)-(x+2y)²=(x+2y)(1-(x+2y))=
=(x+2y)(1-x-2y)

Answer 2

jn relf 1&