$(\,-1+\,x)\,\times\,\,4 = $   ?

$\,-4 \,-\,\,x$ $\,-4 +\,x$ $\,3 +\,5\,\,x$ $\,-4 +\,5\,\,x$ $\,-4 +\,4\,\,x$ $\,-4 \,-4\,\,x$

$\,3\;(\,-2\,-2\,b) = $   ?

$\,1 +\,\,b$ $\,-6 \,-2\,b$ $\,-6 \,-6\,\,b$ $\,-6 +\,b$ $\,-6 +\,2\,\,b$ $\,-6 +\,6\,\,b$

$(\,-5\,-8\,x)\,\times\,(\,-6\,) = $   ?

$\,30 \,-14\,x$ $\,30 \,-8\,x$ $\,30 \,-48\,\,x$ $\,-11 \,-14\,\,x$ $\,30 +\,8\,\,x$ $\,30 +\,48\,\,x$

$(\,2\,b+\,6)\,\times\,\,4\,b = $   ?

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

$\,-5\,a\;(\,-5\,-4\,b) = $   ?

$\,25\,\,a \,-4\,b$ $\,25\,\,a \,-20\,b$ $\,-25 +\,20\,\,a\,b$ $\,25\,\,a \,-9\,b$ $\,25\,\,a +\,20\,\,a\,b$ $\,-10\,\,a \,-9\,\,a\,b$

$\,2\;(\,-9\,a+\,5\,b) = $   ?

$\,18\,\,a +\,7\,\,b$ $\,-18\,\,a +\,5\,b$ $\,-18\,\,a +\,10\,\,b$ $\,-7\,\,a +\,7\,\,b$ $\,-18\,\,a \,-5\,\,b$ $\,-18\,\,a \,-10\,\,b$

$\,3\,t\;(\,-2\,t+\,9\,x) = $   ?

$\,-6\,\,t^2 \,-27\,x$ $\,\,t^2 +\,12\,\,t\,x$ $\,-6\,\,t^2 +\,27\,\,t\,x$ $\,-6\,\,t^2 +\,12\,\,t\,x$ $\,6\,\,t^2 +\,27\,x$ $\,-6\,\,t^2 +\,9\,x$

$\,5\,b\;(\,-4\,-6\,b) = $   ?

$\,-20\,\,b \,-\,b$ $\,20 \,-30\,\,b^2$ $\,-20\,\,b +\,30\,b$ $\,\,b \,-\,\,b^2$ $\,-20\,\,b \,-30\,\,b^2$ $\,-20\,\,b \,-6\,b$

$\,4\,b\;(\,-2\,b+\,7\,a) = $   ?

$\,-8\,\,b^2 +\,7\,a$ $\,8\,b +\,28\,\,a\,b$ $\,-8\,\,b^2 \,-28\,a$ $\,-8\,\,b^2 +\,28\,\,a\,b$ $\,-8\,\,b^2 +\,11\,\,a\,b$ $\,2\,\,b^2 +\,11\,\,a\,b$

$(\,-5\,x+\,8)\,\times\,\,3\,y = $   ?

$\,-15\,\,x\,y +\,8$ $\,-15\,\,x\,y +\,11\,\,y$ $\,15\,x +\,24\,\,y$ $\,-2\,\,x\,y +\,11\,\,y$ $\,-15\,\,x\,y \,-24$ $\,-15\,\,x\,y +\,24\,\,y$