Question

c) (y + 6)(xy + y + 2)
d) (x + 2y)(x - 5y - 1)​

Answer 1

Respuesta:

espero te ayude <3

Explicación paso a paso:

c) (y+6) (xy+y+2)

= y × (xy+y+2) +6 (xy+y+2

= xy² + y² +2y +6xy +6y +12

= xy² + y² +8y +6xy +12

d) (x+2y) (x-5y-1)

= x× (x-5y-1) +2y× (x-5y-1)

= x²-5xy-x+2xy-10y²-2y

= x²-3xy-x-10y²-2y