Question

1) Efetue as adições algébricas:
a) 2a2 + 8a2 –3a2 =
b) 14ax – 15ax =
c) 2xy -2/3 xy
d) 0,5x2y + 3,2x2y – 1,4x2y =
e) 11bc – 13bc + 6bc – 2bc =
f ) 0,8 ab3 + 2,8 ab3 – 5,3 ab3 =
Alguém me ajuda por favor

Answer 1

resposta:

a) a. (2 + 8 a)

b) - 3a2 + 21 a

c) 3 x2 - 5x

d) ( a + 4 a?)

e) X-2 x2

f) 6x. (x-4) ( ) 6x2 - 24x ( ) x². (x-2) (2a + 8a2 () 3a.

Explicação passo-a-passo:

https://www.google.com/search?q=a)+2a2+%2B+8a2+%E2%80%933a2+%3D&rlz=1C1GCEA_enBR952BR952&oq=a)+2a2+%2B+8a2+%E2%80%933a2+%3D&aqs=chrome..69i57j69i60.3491j0j9&sourceid=chrome&ie=UTF-8#:~:text=19%20de%20mai.%20de%202018%20%E2%80%94%201)Dados%20os%20polin%C3%B4mios%20A%3D(3a2%2B2a)%2CB%3D(2a2-a)%20e%20C%3D(-2a4)%2Ccalcule%3A%20a)A.B%20b)B.C%20c)A.C%202)Calcule%20as%20opera%C3%A7%C3%B5es%20com%20po%E2%80%A6%20Receba%20agora%20as%C2%A0...