Factoriser l'expression :

$(\,9\,x +\,4)(\,3\,y +\,2)+(\,-7\,y \,-1)(\,9\,x +\,4)$

𝑥𝑦□²□³()

Factoriser l'expression :

$(\,-7 \,-7\,y)(\,2\,x \,-5) - (\,-1 +\,2\,y)(\,2\,x \,-5)$

𝑥𝑦□²□³()

Factoriser l'expression :

$(\,-2 +\,7\,x)(\,x \,-4) - (\,x \,-4)(\,-5\,x \,-4)$

𝑥𝑦□²□³()

Factoriser l'expression :

$(\,6\,x \,-4)^2 +(\,6\,x \,-4)(\,-1 \,-\,x)$

𝑥𝑦□²□³()

Factoriser l'expression :

$\,2\,x(\,5\,x +\,2) + (\,4 \,-4\,x)(\,5\,x +\,2)$

𝑥𝑦□²□³()