Question

Разложите на множители 4x^2-y^2+2x-y

Answer 1

4х²-у²+2х-у=(2х-у)(2х+у)+(2х+у)=(2х+у)(2х-у+1)
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Answer 2

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