$\,5\;(\,5\,x+\,9) = $   ?

$\,25\,\,x \,-45$ $\,10\,\,x +\,14$ $\,25\,\,x \,-9$ $\,25\,\,x +\,45$ $\,25\,\,x +\,9$ $\,25\,\,x +\,14$

$\,3\;(\,-2\,x\,-6) = $   ?

$\,-6\,\,x \,-18$ $\,-6\,\,x +\,18$ $\,\,x \,-3$ $\,-6\,\,x +\,6$ $\,6\,\,x \,-3$ $\,-6\,\,x \,-6$

$\,5\,t\;(\,6\,t+\,3) = $   ?

$\,30\,\,t^2 +\,15\,\,t$ $\,30\,\,t^2 \,-15$ $\,-30\,\,t^2 +\,8\,\,t$ $\,30\,t +\,15\,\,t$ $\,30\,\,t^2 +\,3$ $\,11\,\,t^2 +\,8\,\,t$

$(\,5\,y\,-4\,x)\,\times\,\,4 = $   ?

$\,20\,\,y \,-4\,x$ $\,20\,\,y +\,16\,\,x$ $\,20\,\,y $ $\,20\,\,y +\,4\,\,x$ $\,20\,\,y \,-16\,\,x$ $\,9\,\,y $

$\,-6\,t\;(\,-8+\,3\,x) = $   ?

$\,48\,\,t +\,3\,x$ $\,48\,\,t \,-18\,\,t\,x$ $\,-48\,\,t \,-18\,x$ $\,48\,\,t +\,18\,x$ $\,-14\,\,t \,-3\,\,t\,x$ $\,48 +\,3\,\,t\,x$

$\,4\,x\;(\,-8\,x\,-4\,y) = $   ?

$\,32\,\,x^2 \,-16\,y$ $\,-32\,\,x^2 \,-16\,\,x\,y$ $\,-4\,\,x^2 $ $\,-32\,\,x^2 \,-4\,y$ $\,-32\,\,x^2 $ $\,-32\,\,x^2 +\,16\,y$

$(\,2\,y+\,3)\,\times\,\,5\,y = $   ?

$\,-10\,\,y^2 +\,8\,\,y$ $\,10\,\,y^2 +\,15$ $\,7\,\,y^2 +\,8\,\,y$ $\,10\,\,y^2 +\,3$ $\,10\,\,y^2 \,-15$ $\,10\,\,y^2 +\,15\,\,y$

$\,6\,a\;(\,-8\,a+\,4\,b) = $   ?

$\,48\,\,a^2 +\,10\,\,a\,b$ $\,-48\,\,a^2 +\,24\,\,a\,b$ $\,-48\,\,a^2 \,-24\,b$ $\,-48\,\,a^2 +\,24\,b$ $\,-48\,\,a^2 +\,4\,b$ $\,-2\,\,a^2 +\,10\,\,a\,b$

$(\,-2\,a\,-1)\,\times\,(\,-6\,) = $   ?

$\,12\,\,a \,-6$ $\,12\,\,a \,-1$ $\,12\,\,a +\,1$ $\,12\,\,a \,-7$ $\,-8\,\,a \,-7$ $\,12\,\,a +\,6$

$(\,-7\,a+\,8)\,\times\,\,2\,b = $   ?

$\,-14\,\,a\,b +\,10\,\,b$ $\,-5\,\,a\,b +\,10\,\,b$ $\,14\,a +\,16\,\,b$ $\,-14\,\,a\,b +\,8$ $\,-14\,\,a\,b \,-16$ $\,-14\,\,a\,b +\,16\,\,b$