Question

3) Simplifique os polinômios, deixando-os na forma reduzida:
a)2x3 +5x-3x2+x-6+2x2

b) ab2 +5-a2-3b-ab2 +3a2 +1

c)2(xy+3)-x2 +4-xy+5x2

d) 3a+2ab-(a+ab)-5+3ab

e)5(x+xy?)+3y-(3x-2xy?)+y

alguém ​

Answer 1

Resposta:

a)2x3 +5x-3x2+x-6+2x2

6+6x-6-6+4

6+6×8

b) ab2 +5-a2-3b-ab2 +3a2 +1

2ab2+5-2a2-3b+1

c)2(xy+3)-x2 +4-xy+5x2

2×2xy+6-x2+4-xy+5×2

2×xy+6-x2+4+5×2

2×xy+6-x2+14

d) 3a+2ab-(a+ab)-5+3ab

3a+2ab-5a+5ab-5+3ab

-2a+10ab-5

e)5(x+xy)+3y-(3x-2xy)+y

5×5x+5xy+3y-3xy-2xy+y

5×5x+xy+4y

Espero ter ajudado :)