Question

1) Simplifique os polinômios abaixo (se possível):
a) 4x − 5y + 8x
2 + y =

b) y
2 − 4y + 3x + 5y + 6y
2 =

c) −xy
2 + 8xy − 2y

2x − 6xy + 9 =

d) 3xy − 8 + 15y =

e) −7xy + 10xy − 6 + x

2 − 8xy =

2) Multiplique:
a) (4x). (−5x) =
b) (3xy). (4) =
c) (x
2). (−4x) =
d) (6x). (−2y) =
e) (5zy). (−8xy
2) =

Answer 1

Resposta:

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