Question

Calcule as multiplicações de polinômios. a) (x + y) . (x – y) d) (x – 3) . (x + 3) b) (x – 2) . (x + 2) e) (x + 5) . (x – 5) c) (a + 1) . (a – 1) f) (a – 1) . (a + 1)

Answer 1

Resposta:

a) x²-y²

b) x²-2

c) a²-1

d) x²-9

e) (x+5) ²