Question

разложите на множители выражение



2x+y-4x^2-4xy-y^2

Answer 1

2x+y-4x^2-4xy-y^2=(2x+y)-(2x+y)²=(2x+y)(1-2x-y)

Answer 2

$2x+y-4x^2-4xy-y^2=(2x+y)-((2x)^2+2*2x*y+y^2)=\\=(2x+y)-(2x+y)^2=(2x+y)(1-2x-y)$