Algebra II

Hong Kong

Stage 1 - Stage 3

Expand the following:

$r\left(r+5\right)$`r`(`r`+5)

Easy

< 1min

Expand the following:

$w\left(1+w\right)$`w`(1+`w`)

Easy

< 1min

Distribute the multiplication:

$y\left(y-9\right)$`y`(`y`−9)

Easy

< 1min

Expand the following:

$-m\left(m+1\right)$−`m`(`m`+1)

Easy

< 1min

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