Question

me ajuudeeeemmmm!!!!!​

Answer 1

Resposta:

a) (x+2)*(x-3)

x^2-3x+2x -6

x^2 -x-6

-------------------

b) (x+y+1).(x+4)

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

x^2+5x+xy+ 4y+4

----------------------------

c) x*(x+y-3)

x^2+xy-3x

-------------------

d) (x^2+6).(x-4)

x^3-4x^2+6x-24