Question

(2x – y)3 resolva esse produto notavel

Answer 1

Bom Dia !!!

$(2x - y)^3\\\\(2x - y).(2x - y).(2x - y)\\\\4x^2 - 2xy - 2xy + y^2.(2x - y)\\\\8x^3 - 4x^2y + 2xy^2 - 4x^2y + 2xy^2 + 2xy^2 - y^3\\\\Resultado\ final\Downarrow\\\\{\boxed{\sf 8x^3 - 8x^2y + 6xy^2 - y^3}}}$

Espero ter ajudado :-)

Att: LDC