Question

(3x -y) (2x + y)
(2a -b) (2a -b)
​

Answer 1

Respuesta:

(3x -y) (2x + y)=6x2+xy-y2

(2a -b) (2a -b)=4a2-4ab-b2

Explicación paso a paso:

(3x -y) (2x + y)=6x2+3xy-2xy-y2=6x2+xy-y2

(2a -b) (2a -b)=4a2-2ab-2ab-b2=4a2-4ab-b2