Multiplying Integers
Multiply.
(
80
)
(
90
)
=
\displaystyle {\left({80}\right)}{\left({90}\right)}=
(
80
)
(
90
)
=
(
−
30
)
(
−
60
)
=
\displaystyle {\left(-{30}\right)}{\left(-{60}\right)}=
(
−
30
)
(
−
60
)
=
(
60
)
(
−
130
)
=
\displaystyle {\left({60}\right)}{\left(-{130}\right)}=
(
60
)
(
−
130
)
=
(
−
20
)
(
80
)
=
\displaystyle {\left(-{20}\right)}{\left({80}\right)}=
(
−
20
)
(
80
)
=
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