Question

1) Calcule os produtos:
a) (x + 5).(x + 2) =
b) (3x - 1). (2x - 2) =
c) ( 3x + 2).(2x + 1) =​

Answer 1

a) (x + 5).(x + 2) = x²+2x+5x+10 = x²+7x+10

b) (3x - 1). (2x - 2) = 6x²-6x-2x+2 = 6x²-8x+2

c) ( 3x + 2).(2x + 1) = 6x²+3x+4x+2 = 6x²+7x+2

✨ Bom final de semana✨

29/10/21