Question

1) Reduza os monômios semelhantes:

A)
$21xy{z}^{2}+3x{z}^{2}y-2xy{z}^{2}-5x{y}^{2}z+45$




B)
$6{m}^{4}-4{m}^{4} {n}^{6}+12{m}^{4}+16{m}^{4} {n}^{6}$
​

Answer 1

Resposta:21xyz² , -2xyz²

b)6m,12m ,  16m n ,4m n

Answer 2

Resposta:

A)

21xyz² +3xy²z -2xyz² -5xy²z +45

21xyz² -2xyz² +3xy²z -5xy²z +45

19xyz² -2xy²z +45

B)

6m⁴ -4m⁴n⁶ +12m⁴ +16m⁴n⁶

6m⁴ +12m⁴ -4m⁴n⁶ +16m⁴n⁶

+18m⁴ +12m⁴n⁶