Question
Expand $ : ( x - 8 )( x - 10 )$
✓
Answer
$( x - 8 )( x - 10 )$
$= x(x - 10) - 8(x - 10)$
$= x^2 - 10x - 8x + 80$
$= x^2 - 18x + 80$
$= x(x - 10) - 8(x - 10)$
$= x^2 - 10x - 8x + 80$
$= x^2 - 18x + 80$
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