Question

resolva as expressões abaixo

20ab-10ab+20a+30a


30ab+30ab-10a+10a


40abc+20abc+40a+50a


100abc+10ab+200abc+20ab


50ab+30ab+80abc+30abc


100a-10a+30ab+20ab

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Answer 1

Resposta:

Explicação passo a passo:

a) 20ab-10ab+20a+30a =

  10ab + 50a =

 10a(b + 5 )

b) 30ab+30ab-10a+10a =

  60ab

c) 40abc+20abc+40a+50a =

  60abc + 90a =

 30a( 2bc + 3)

d) 100abc+10ab+200abc+20ab =

   300abc + 30ab =

    30ab( 10c + 1 )

e) 50ab+30ab+80abc+30abc =

    80ab + 110abc