Question
$23 \times (-99) =$_____$\times (-100 +$_____$ ) = 23 \times $_____$ + 23 \times $_____.
✓
Answer
We can write the equation as, $23 \times (-99) = 23 \times (-100 + 1) = 23 \times (-100) + 23 \times 1$
$ [\because$ integers show distributive property of multiplication over addition,
i.e. $a \times (b + c) = a \times b + a \times c]$
$ [\because$ integers show distributive property of multiplication over addition,
i.e. $a \times (b + c) = a \times b + a \times c]$
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