$\,-6\;(\,-8\,x\,-3) = $   ?

$\,48\,\,x +\,3$ $\,48\,\,x \,-3$ $\,48\,\,x \,-18$ $\,48\,\,x +\,18$ $\,48\,\,x \,-9$ $\,-14\,\,x \,-9$

$\,5\,b\;(\,3\,b+\,5\,a) = $   ?

$\,8\,\,b^2 +\,10\,\,a\,b$ $\,15\,\,b^2 \,-25\,a$ $\,-15\,\,b^2 +\,10\,\,a\,b$ $\,15\,\,b^2 +\,5\,a$ $\,15\,\,b^2 +\,25\,\,a\,b$ $\,15\,\,b^2 +\,25\,a$

$\,3\,a\;(\,-3\,-3\,a) = $   ?

$\,-9\,\,a $ $\,-9\,\,a \,-3\,a$ $\,-9\,\,a \,-9\,\,a^2$ $\,9 \,-9\,\,a^2$ $\,-9\,\,a +\,9\,a$ $\,0\,\,a $

$(\,5\,b\,-3)\;(\,b+\,5) = $   ?

$\,5\,\,b^2 \,-28\,\,b \,-15$ $\,5\,\,b^2 \,-22\,\,b \,-15$ $\,-5\,\,b^2 +\,22\,\,b +\,15$ $\,5\,\,b^2 +\,22\,\,b \,-15$

$(\,6\,x\,-2)\;(\,-\,y\,-1) = $   ?

$\,-6\,\,x\,y \,-6\,\,x +\,2\,\,y +\,2$ $\,-6\,\,x\,y \,-6\,\,x +\,2\,\,y \,-2$ $\,-6\,\,x\,y +\,6\,\,x \,-2\,\,y +\,2$ $\,-6\,\,x\,y +\,6\,\,x +\,2\,\,y \,-2$

$(\,6\,x+\,4)\;(\,-3\,x\,-6) = $   ?

$\,-18\,\,x^2 \,-24\,\,x +\,24$ $\,-18\,\,x^2 \,-48\,\,x +\,24$ $\,-18\,\,x^2 \,-48\,\,x \,-24$ $\,18\,\,x^2 \,-48\,\,x +\,24$

$(5x+6y)(5x-6y) = $   ?

$5\,x^2 \,- 36\,y^2$ $25\,x^2 \,- 36\,y^2$ $25\,x^2 \,+ 36\,y^2$ $25\,x^2\, -60\,x\,y\,+ 36\,y^2$

Quelle est l'expression factorisée de $\,6\,\,a\;+\,\,a^2$ ?

$\,a\;(\,6\;+\,^{2})$ $\,a\;(\,6\;+\,a)$ $\,a\;(\,6\;+\,\,a^2)$ $\,a\;(\,6\,a\;+\,1)$

Quelle est l'expression factorisée de $\,12\;\,-3\,\,x$ ?

$\,3\;(\,4\;+\,x)$ $\,3\;(\,4\,x\;\,-3)$ $\,3\;(\,4\;\,-3\,x)$ $\,3\;(\,4\;\,-\,x)$

Factoriser l'expression :

$(\,4\,x \,-8)(\,4\,y +\,4)+(\,-6\,y \,-1)(\,4\,x \,-8)$

𝑥𝑦□²□³()