$\,6\;(\,7\,t+\,1) = $   ?

$\,42\,\,t +\,1$ $\,13\,\,t +\,7$ $\,42\,\,t \,-6$ $\,42\,\,t \,-1$ $\,-42\,\,t +\,7$ $\,42\,\,t +\,6$

$\,5\;(\,8\,t\,-2) = $   ?

$\,40\,\,t +\,3$ $\,40\,\,t \,-2$ $\,40\,\,t +\,2$ $\,40\,\,t \,-10$ $\,40\,\,t +\,10$ $\,13\,\,t +\,3$

$(\,4\,a\,-5\,b)\,\times\,\,4 = $   ?

$\,16\,\,a \,-5\,b$ $\,16\,\,a +\,5\,\,b$ $\,-16\,\,a \,-\,b$ $\,8\,\,a \,-\,\,b$ $\,16\,\,a +\,20\,\,b$ $\,16\,\,a \,-20\,\,b$

$\,4\,t\;(\,6\,t\,-3\,x) = $   ?

$\,10\,\,t^2 +\,\,t\,x$ $\,24\,\,t^2 +\,12\,x$ $\,24\,\,t^2 \,-12\,\,t\,x$ $\,24\,\,t^2 \,-3\,x$ $\,-24\,\,t^2 +\,x$ $\,24\,\,t^2 \,-12\,x$

$(\,-8+\,3\,x)\,\times\,\,6\,x = $   ?

$\,-48\,\,x +\,18\,\,x^2$ $\,48\,\,x +\,9\,\,x^2$ $\,-48\,\,x \,-18\,x$ $\,-48\,\,x +\,18\,x$ $\,-2\,\,x +\,9\,\,x^2$ $\,-48\,\,x +\,3\,x$

$\,-2\,t\;(\,-8\,x\,-8) = $   ?

$\,-16\,\,t\,x \,-10$ $\,-10\,\,t\,x \,-10\,\,t$ $\,16\,\,t\,x \,-16$ $\,16\,\,t\,x +\,16$ $\,16\,\,t\,x \,-8$ $\,16\,\,t\,x +\,16\,\,t$

$(\,2\,x+\,6)\,\times\,\,4\,x = $   ?

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

$\,6\,t\;(\,7\,t+\,2\,x) = $   ?

$\,42\,\,t^2 +\,8\,\,t\,x$ $\,42\,\,t^2 +\,12\,\,t\,x$ $\,42\,\,t^2 +\,2\,x$ $\,-42\,\,t^2 +\,12\,x$ $\,42\,\,t^2 \,-12\,x$ $\,13\,\,t^2 +\,8\,\,t\,x$

$(\,8\,y+\,5)\,\times\,\,2\,x = $   ?

$\,16\,y +\,10\,\,x$ $\,10\,\,x\,y +\,7\,\,x$ $\,16\,\,x\,y +\,10\,\,x$ $\,16\,\,x\,y +\,5$ $\,16\,\,x\,y \,-10$ $\,-16\,\,x\,y +\,7\,\,x$

$\,-3\;(\,-1\,-8\,x) = $   ?

$\,-4 \,-11\,\,x$ $\,3 \,-24\,\,x$ $\,3 \,-8\,x$ $\,3 +\,24\,\,x$ $\,3 \,-11\,x$ $\,3 +\,8\,\,x$