Question

x+12ab+3c -4ab+6c
$\times \: \: + 12ab + 3c \\ - 4ab + 6c$
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Answer 1

Respuesta:

=8ab+9c+x

Explicación paso a paso:

x+12ab+3c−4ab+6c

=x+12ab+3c+−4ab+6c

=x+12ab+3c+−4ab+6c

=(12ab+−4ab)+(3c+6c)+(x)

=8ab+9c+x