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Let’s check out your problem:
Evaluate.
\newline
−
3
×
(
−
9
)
=
-3 \times(-9)=
−
3
×
(
−
9
)
=
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Math Problems
Grade 7
Add integers
Full solution
Q.
Evaluate.
\newline
−
3
×
(
−
9
)
=
-3 \times(-9)=
−
3
×
(
−
9
)
=
Determine Result Sign:
Since we're multiplying two negative numbers, the result will be positive.
\newline
Calculate:
−
3
×
−
9
-3 \times -9
−
3
×
−
9
Calculate Multiplication:
Do the multiplication ignoring the signs first:
3
×
9
=
27
3 \times 9 = 27
3
×
9
=
27
Apply Rule for Negatives:
Now remember the rule for multiplying negatives: a negative times a negative gives a positive.
\newline
So,
−
3
×
−
9
=
+
27
-3 \times -9 = +27
−
3
×
−
9
=
+
27
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