$\,5\;(\,-8\,a+\,3) = $   ?

$\,-40\,\,a +\,15$ $\,40\,\,a +\,8$ $\,-3\,\,a +\,8$ $\,-40\,\,a \,-15$ $\,-40\,\,a +\,3$ $\,-40\,\,a \,-3$

$\,4\;(\,-1\,-6\,t) = $   ?

$\,3 \,-2\,\,t$ $\,-4 +\,24\,\,t$ $\,-4 \,-2\,t$ $\,-4 \,-6\,t$ $\,-4 +\,6\,\,t$ $\,-4 \,-24\,\,t$

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

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

$(\,-3\,y\,-8\,x)\,\times\,\,4\,y = $   ?

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

$\,-5\,b\;(\,-3\,a+\,7) = $   ?

$\,15\,\,a\,b \,-35\,\,b$ $\,-15\,a \,-2\,\,b$ $\,15\,\,a\,b +\,7$ $\,15\,\,a\,b \,-35$ $\,-8\,\,a\,b +\,2\,\,b$ $\,15\,\,a\,b +\,35$

$\,-5\;(\,-2\,-9\,t) = $   ?

$\,10 \,-9\,t$ $\,-7 \,-14\,\,t$ $\,10 +\,9\,\,t$ $\,10 +\,45\,\,t$ $\,10 \,-45\,\,t$ $\,-10 \,-14\,t$

$\,3\;(\,-6\,t+\,4\,x) = $   ?

$\,-3\,\,t +\,7\,\,x$ $\,-18\,\,t +\,7\,\,x$ $\,-18\,\,t \,-12\,\,x$ $\,-18\,\,t \,-4\,\,x$ $\,-18\,\,t +\,4\,x$ $\,-18\,\,t +\,12\,\,x$

$\,6\,t\;(\,2\,x+\,6) = $   ?

$\,-12\,\,t\,x +\,36$ $\,12\,\,t\,x +\,12\,\,t$ $\,12\,\,t\,x +\,6$ $\,8\,\,t\,x +\,12\,\,t$ $\,12\,\,t\,x \,-36$ $\,12\,\,t\,x +\,36\,\,t$

$(\,4+\,8\,x)\,\times\,\,4\,x = $   ?

$\,16\,\,x +\,32\,\,x^2$ $\,16\,\,x +\,12\,\,x^2$ $\,16\,\,x \,-32\,x$ $\,16\,\,x +\,8\,x$ $\,-16\,\,x +\,32\,x$ $\,8\,\,x +\,12\,\,x^2$

$(\,9\,x+\,8\,y)\,\times\,\,3\,x = $   ?

$\,27\,\,x^2 +\,8\,y$ $\,12\,\,x^2 +\,11\,\,x\,y$ $\,27\,\,x^2 +\,24\,y$ $\,27\,\,x^2 +\,24\,\,x\,y$ $\,-27\,\,x^2 +\,11\,\,x\,y$ $\,27\,\,x^2 \,-24\,y$