Algebra II

Hong Kong

Stage 1 - Stage 3

Fill in the boxes to complete the equality:

$11u-19u^2=u\left(\editable{}-\editable{}\right)$11`u`−19`u`2=`u`(−)

Easy

Less than a minute

Factorise the following expression by taking out the highest common factor:

$42x-x^2$42`x`−`x`2

Factorise the following expression by taking out the highest common factor:

$4pqr-9pst$4`p``q``r`−9`p``s``t`

Factorise the following expression:

$2yz-16xy+16xy^2z$2`y``z`−16`x``y`+16`x``y`2`z`

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