$\,6\;(\,-1+\,4\,b) = $   ?

$\,-6 +\,24\,\,b$ $\,6 +\,10\,\,b$ $\,5 +\,10\,\,b$ $\,-6 \,-24\,\,b$ $\,-6 \,-4\,\,b$ $\,-6 +\,4\,b$

$\,6\;(\,-8\,-\,a) = $   ?

$\,-48 \,-\,a$ $\,48 +\,5\,a$ $\,-48 +\,6\,\,a$ $\,-48 \,-6\,\,a$ $\,-2 +\,5\,\,a$ $\,-48 +\,\,a$

$\,-2\,y\;(\,-\,x+\,5) = $   ?

$\,2\,\,x\,y \,-10\,\,y$ $\,-2\,x \,-3\,\,y$ $\,2\,x \,-10\,\,y$ $\,2\,\,x\,y +\,10$ $\,2\,\,x\,y +\,5$ $\,-3\,\,x\,y +\,3\,\,y$

$\,3\,t\;(\,5\,t\,-9\,x) = $   ?

$\,15\,\,t^2 \,-27\,\,t\,x$ $\,15\,\,t^2 \,-9\,x$ $\,-15\,\,t^2 \,-27\,x$ $\,15\,\,t^2 \,-6\,x$ $\,8\,\,t^2 \,-6\,\,t\,x$ $\,15\,\,t^2 +\,27\,x$

$\,4\,y\;(\,9\,y+\,2\,x) = $   ?

$\,36\,\,y^2 +\,8\,\,x\,y$ $\,36\,y +\,8\,\,x\,y$ $\,-36\,\,y^2 +\,6\,\,x\,y$ $\,13\,\,y^2 +\,6\,\,x\,y$ $\,36\,\,y^2 +\,2\,x$ $\,36\,\,y^2 \,-8\,x$

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

$\,25\,\,y +\,2$ $\,-10\,\,y \,-7$ $\,-25\,\,y \,-7$ $\,25\,\,y \,-2$ $\,25\,\,y \,-10$ $\,25\,\,y +\,10$

$(\,8\,a+\,1)\,\times\,\,3\,a = $   ?

$\,11\,\,a^2 +\,4\,\,a$ $\,24\,a +\,3\,\,a$ $\,24\,\,a^2 +\,1$ $\,24\,\,a^2 \,-3$ $\,-24\,\,a^2 +\,4\,\,a$ $\,24\,\,a^2 +\,3\,\,a$

$(\,3\,y\,-7\,x)\,\times\,\,2 = $   ?

$\,6\,\,y +\,14\,\,x$ $\,6\,\,y \,-5\,x$ $\,6\,\,y \,-7\,x$ $\,6\,\,y \,-14\,\,x$ $\,5\,\,y \,-5\,\,x$ $\,6\,\,y +\,7\,\,x$

$\,5\,y\;(\,9\,x+\,5) = $   ?

$\,45\,\,x\,y +\,5$ $\,45\,\,x\,y +\,10\,\,y$ $\,14\,\,x\,y +\,10\,\,y$ $\,45\,\,x\,y \,-25$ $\,-45\,x +\,25\,\,y$ $\,45\,\,x\,y +\,25\,\,y$

$(\,5\,-6\,y)\,\times\,\,2\,y = $   ?

$\,10\,\,y \,-12\,\,y^2$ $\,10\,\,y \,-4\,y$ $\,10\,\,y \,-6\,y$ $\,10\,\,y +\,12\,y$ $\,7\,\,y \,-4\,\,y^2$ $\,-10\,\,y \,-12\,y$