Question

Simplifique os polinômios reduzindo os termos semelhantes:

a) 9x + 12x – 4y – 21y

b) 2a – 10a + 8c – 31c
d) –7m – 15b + 14m – 20b

e) 11xy + 5x2 – 7y + 12y – 8x2 + 3xy

c) 7a – 5a + 9b + 12b – 4

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Answer 1

Resposta:

a) 21x - 25y

b) -8a-23c

d) -35b+7m

e) -3x²+14xy+5y

c) 2a+21b-4