Resposta:
. (b + c).(a + 3)
Explicação passo a passo:
.
. ab + ac + 3b + 3c = a . (b + c) + 3 . (b + c)
. = (b + c).(a + 3)
.
(Espero ter colaborado)
Resposta:
[tex]ab+ac+3b+3c\\\\\mathrm{Fatorar\:o\:termo\:comum\:}a\\\\=a\left(b+c\right)+3b+3c\\\\\mathrm{Fatorar\:o\:termo\:comum\:}3\\\\=a\left(b+c\right)+3\left(b+c\right)\\\\\mathrm{Fatorar\:o\:termo\:comum\:}\left(b+c\right)\\\\=\left(b+c\right)\left(a+3\right)[/tex]
