Factoriser l'expression :

$(\,4\,x \,-5)(\,-8\,y \,-9)+(\,-5\,y \,-2)(\,4\,x \,-5)$

𝑥𝑦□²□³()

Factoriser l'expression :

$(\,8\,x +\,3)^2 +(\,8\,x +\,3)(\,-8 \,-4\,x)$

𝑥𝑦□²□³()

Factoriser l'expression :

$(\,-7 +\,4\,x)(\,5\,x \,-8) - (\,5\,x \,-8)(\,-7\,x \,-4)$

𝑥𝑦□²□³()

Factoriser l'expression :

$\,-\,x(\,9\,x +\,2) + (\,-6 \,-7\,x)(\,9\,x +\,2)$

𝑥𝑦□²□³()

Factoriser l'expression :

$(\,-8 \,-\,y)(\,3\,x +\,1) - (\,-9 +\,2\,y)(\,3\,x +\,1)$

𝑥𝑦□²□³()