$(\,a+\,8)\,\times\,\,2 = $   ?

$\,2\,\,a +\,16$ $\,2\,\,a \,-8$ $\,-2\,\,a +\,10$ $\,3\,\,a +\,10$ $\,2\,\,a \,-16$ $\,2\,\,a +\,8$

$\,2\;(\,8\,-\,b) = $   ?

$\,16 +\,\,b$ $\,-16 +\,b$ $\,16 \,-\,b$ $\,10 +\,\,b$ $\,16 \,-2\,\,b$ $\,16 +\,2\,\,b$

$(\,9\,b\,-3)\,\times\,(\,-4\,) = $   ?

$\,-36\,\,b +\,12$ $\,36\,\,b \,-7$ $\,-36\,\,b +\,3$ $\,-36\,\,b \,-12$ $\,5\,\,b \,-7$ $\,-36\,\,b \,-3$

$(\,-5\,y+\,4\,x)\,\times\,\,4 = $   ?

$\,20\,\,y +\,8\,\,x$ $\,-20\,\,y \,-4\,\,x$ $\,-20\,\,y \,-16\,\,x$ $\,-\,\,y +\,8\,\,x$ $\,-20\,\,y +\,16\,\,x$ $\,-20\,\,y +\,4\,x$

$\,5\,b\;(\,-4+\,9\,a) = $   ?

$\,-20\,\,b +\,45\,\,a\,b$ $\,-20\,\,b \,-45\,a$ $\,20\,\,b +\,14\,\,a\,b$ $\,-20\,\,b +\,9\,a$ $\,-20 +\,45\,\,a\,b$ $\,\,b +\,14\,\,a\,b$

$(\,-7\,x\,-\,y)\,\times\,\,6\,x = $   ?

$\,42\,\,x^2 +\,5\,y$ $\,-42\,\,x^2 +\,6\,y$ $\,-\,\,x^2 +\,5\,\,x\,y$ $\,-42\,x \,-6\,\,x\,y$ $\,-42\,\,x^2 \,-6\,\,x\,y$ $\,-42\,\,x^2 \,-\,y$

$\,6\,a\;(\,3+\,5\,a) = $   ?

$\,18\,\,a +\,5\,a$ $\,18\,\,a \,-30\,a$ $\,9\,\,a +\,11\,\,a^2$ $\,18\,\,a +\,30\,\,a^2$ $\,-18\,\,a +\,11\,\,a^2$ $\,18\,\,a +\,30\,a$

$\,4\,b\;(\,-\,b+\,2\,a) = $   ?

$\,-4\,\,b^2 +\,8\,a$ $\,-4\,\,b^2 +\,2\,a$ $\,3\,\,b^2 +\,6\,\,a\,b$ $\,4\,\,b^2 +\,6\,\,a\,b$ $\,-4\,\,b^2 \,-8\,a$ $\,-4\,\,b^2 +\,8\,\,a\,b$

$\,4\,t\;(\,2\,-7\,t) = $   ?

$\,8\,\,t +\,28\,t$ $\,8\,\,t \,-28\,\,t^2$ $\,8\,\,t \,-7\,t$ $\,6\,\,t \,-3\,\,t^2$ $\,-8\,\,t \,-28\,t$ $\,8\,\,t \,-3\,t$

$\,-2\,b\;(\,2\,a+\,8) = $   ?

$\,4\,\,a\,b \,-16$ $\,-4\,a \,-6\,\,b$ $\,0\,\,a\,b +\,6\,\,b$ $\,-4\,\,a\,b \,-16\,\,b$ $\,-4\,\,a\,b +\,8$ $\,-4\,\,a\,b +\,16$