Algebra II

Hong Kong

Stage 1 - Stage 3

Expand and simplify the following:

$\left(a+9\right)\left(b-6\right)$(`a`+9)(`b`−6)

Easy

1min

Expand the following using binomial expansion:

$\left(x+5\right)\left(x+7\right)$(`x`+5)(`x`+7)

Easy

1min

Expand and simplify the following:

$\left(4r+7\right)\left(7s+2\right)$(4`r`+7)(7`s`+2)

Easy

1min

Expand and simplify the following:

$\left(2n+5\right)\left(5n+2\right)-4$(2`n`+5)(5`n`+2)−4

Easy

1min

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