Question
Find the value of $: ( 987 )^2 - (13)^2$
✓
Answer
$( 987 )^2 - (13)^2$
$= ( 987 + 13 )( 987 - 13)$
$= 1000 \times 974$
$= 974000$
$= ( 987 + 13 )( 987 - 13)$
$= 1000 \times 974$
$= 974000$
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