$\,4\;(\,-3+\,6\,t) = $   ?

$\,12 +\,10\,\,t$ $\,-12 +\,6\,t$ $\,-12 +\,24\,\,t$ $\,-12 \,-6\,\,t$ $\,1 +\,10\,\,t$ $\,-12 \,-24\,\,t$

$(\,-\,t\,-3)\,\times\,\,4 = $   ?

$\,4\,\,t +\,1$ $\,-4\,\,t +\,3$ $\,-4\,\,t \,-3$ $\,3\,\,t +\,1$ $\,-4\,\,t +\,12$ $\,-4\,\,t \,-12$

$(\,3\,x+\,1)\,\times\,\,2\,y = $   ?

$\,6\,\,x\,y +\,3\,\,y$ $\,6\,\,x\,y +\,2\,\,y$ $\,5\,\,x\,y +\,3\,\,y$ $\,6\,\,x\,y +\,1$ $\,-6\,\,x\,y +\,2$ $\,6\,\,x\,y \,-2$

$(\,-1+\,8\,x)\,\times\,\,4\,x = $   ?

$\,-4\,\,x +\,32\,x$ $\,-4\,\,x \,-32\,x$ $\,3\,\,x +\,12\,\,x^2$ $\,4\,\,x +\,12\,\,x^2$ $\,-4\,\,x +\,32\,\,x^2$ $\,-4\,\,x +\,8\,x$

$\,6\,b\;(\,9\,b\,-\,a) = $   ?

$\,54\,b \,-6\,\,a\,b$ $\,-54\,\,b^2 +\,5\,a$ $\,54\,\,b^2 +\,6\,a$ $\,54\,\,b^2 \,-\,a$ $\,15\,\,b^2 +\,5\,\,a\,b$ $\,54\,\,b^2 \,-6\,\,a\,b$

$\,4\,a\;(\,-9\,a+\,5\,b) = $   ?

$\,-36\,\,a^2 +\,20\,\,a\,b$ $\,-36\,\,a^2 +\,5\,b$ $\,-5\,\,a^2 +\,9\,\,a\,b$ $\,36\,\,a^2 +\,9\,\,a\,b$ $\,-36\,\,a^2 +\,20\,b$ $\,-36\,\,a^2 \,-20\,b$

$(\,-6+\,7\,b)\,\times\,\,2\,b = $   ?

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

$\,-2\,y\;(\,6\,-4\,x) = $   ?

$\,-12\,\,y \,-4\,x$ $\,-12\,\,y \,-8\,x$ $\,-12\,\,y +\,8\,\,x\,y$ $\,-12 +\,8\,\,x\,y$ $\,4\,\,y \,-6\,\,x\,y$ $\,12\,\,y \,-6\,x$

$\,4\;(\,9\,x+\,7\,y) = $   ?

$\,36\,\,x \,-7\,\,y$ $\,-36\,\,x +\,11\,\,y$ $\,36\,\,x \,-28\,\,y$ $\,36\,\,x +\,7\,y$ $\,13\,\,x +\,11\,\,y$ $\,36\,\,x +\,28\,\,y$

$\,-3\;(\,3\,b\,-8) = $   ?

$\,0\,\,b \,-11$ $\,9\,\,b \,-11$ $\,-9\,\,b \,-8$ $\,-9\,\,b +\,8$ $\,-9\,\,b +\,24$ $\,-9\,\,b \,-24$