$\,3\;(\,-8\,a+\,5) = $   ?

$\,-24\,\,a +\,5$ $\,-24\,\,a \,-15$ $\,-24\,\,a +\,15$ $\,-24\,\,a \,-5$ $\,24\,\,a +\,8$ $\,-5\,\,a +\,8$

$\,2\;(\,-9\,-4\,b) = $   ?

$\,-18 +\,8\,\,b$ $\,-18 \,-4\,b$ $\,-18 +\,4\,\,b$ $\,-18 \,-2\,b$ $\,-7 \,-2\,\,b$ $\,-18 \,-8\,\,b$

$(\,9+\,6\,a)\,\times\,\,4\,b = $   ?

$\,36\,\,b +\,24\,a$ $\,-36\,\,b +\,10\,\,a\,b$ $\,36\,\,b +\,6\,a$ $\,13\,\,b +\,10\,\,a\,b$ $\,36\,\,b \,-24\,a$ $\,36\,\,b +\,24\,\,a\,b$

$\,-2\,y\;(\,4\,-2\,x) = $   ?

$\,-8\,\,y \,-4\,x$ $\,2\,\,y \,-4\,\,x\,y$ $\,8\,\,y \,-4\,x$ $\,-8\,\,y \,-2\,x$ $\,-8\,\,y +\,4\,\,x\,y$ $\,-8\,\,y +\,4\,x$

$\,6\;(\,-2\,t+\,4\,x) = $   ?

$\,-12\,\,t \,-24\,\,x$ $\,4\,\,t +\,10\,\,x$ $\,-12\,\,t +\,24\,\,x$ $\,12\,\,t +\,10\,\,x$ $\,-12\,\,t +\,4\,x$ $\,-12\,\,t \,-4\,\,x$

$\,4\,t\;(\,3\,t\,-8\,x) = $   ?

$\,12\,\,t^2 \,-8\,x$ $\,12\,\,t^2 \,-32\,\,t\,x$ $\,12\,t \,-32\,\,t\,x$ $\,12\,\,t^2 +\,32\,x$ $\,-12\,\,t^2 \,-4\,x$ $\,7\,\,t^2 \,-4\,\,t\,x$

$(\,-6\,-2\,y)\,\times\,\,5\,y = $   ?

$\,-30\,\,y \,-2\,y$ $\,-30 \,-10\,\,y^2$ $\,-\,\,y +\,3\,\,y^2$ $\,-30\,\,y +\,10\,y$ $\,-30\,\,y \,-10\,\,y^2$ $\,30\,\,y +\,3\,y$

$\,2\,y\;(\,-6\,y+\,7\,x) = $   ?

$\,-4\,\,y^2 +\,9\,\,x\,y$ $\,-12\,\,y^2 +\,14\,\,x\,y$ $\,-12\,\,y^2 \,-14\,x$ $\,12\,\,y^2 +\,14\,x$ $\,-12\,\,y^2 +\,9\,\,x\,y$ $\,-12\,\,y^2 +\,7\,x$

$(\,-8\,-6\,y)\,\times\,(\,-2\,) = $   ?

$\,-16 \,-8\,y$ $\,16 \,-12\,\,y$ $\,16 +\,12\,\,y$ $\,-10 \,-8\,\,y$ $\,16 +\,6\,\,y$ $\,16 \,-6\,y$

$(\,2+\,6\,y)\,\times\,\,4\,y = $   ?

$\,8\,\,y +\,6\,y$ $\,8\,\,y +\,24\,\,y^2$ $\,6\,\,y +\,10\,\,y^2$ $\,8\,\,y +\,10\,\,y^2$ $\,-8\,\,y +\,24\,y$ $\,8\,\,y \,-24\,y$