$\,6\;(\,-3\,y+\,6) = $   ?

$\,18\,\,y +\,12$ $\,-18\,\,y +\,6$ $\,3\,\,y +\,12$ $\,-18\,\,y +\,36$ $\,-18\,\,y \,-6$ $\,-18\,\,y \,-36$

$\,4\;(\,9\,y\,-4) = $   ?

$\,13\,\,y $ $\,36\,\,y +\,4$ $\,36\,\,y \,-16$ $\,36\,\,y \,-4$ $\,-36\,\,y $ $\,36\,\,y +\,16$

$(\,-4\,-9\,x)\,\times\,(\,-4\,) = $   ?

$\,16 \,-9\,x$ $\,-8 \,-13\,\,x$ $\,16 \,-13\,x$ $\,16 \,-36\,\,x$ $\,16 +\,36\,\,x$ $\,16 +\,9\,\,x$

$\,2\,b\;(\,-8+\,3\,b) = $   ?

$\,-16\,\,b +\,5\,\,b^2$ $\,-6\,\,b +\,5\,\,b^2$ $\,-16\,\,b +\,3\,b$ $\,-16\,\,b \,-6\,b$ $\,16\,\,b +\,6\,b$ $\,-16\,\,b +\,6\,\,b^2$

$\,4\,a\;(\,-6\,a+\,9\,b) = $   ?

$\,24\,\,a^2 +\,13\,\,a\,b$ $\,-24\,\,a^2 +\,9\,b$ $\,-24\,\,a^2 +\,36\,\,a\,b$ $\,-24\,\,a^2 \,-36\,b$ $\,-2\,\,a^2 +\,13\,\,a\,b$ $\,-24\,a +\,36\,\,a\,b$

$\,3\,a\;(\,-2\,a\,-3\,b) = $   ?

$\,6\,\,a^2 $ $\,-6\,\,a^2 \,-3\,b$ $\,\,a^2 $ $\,-6\,\,a^2 +\,9\,b$ $\,-6\,\,a^2 \,-9\,\,a\,b$ $\,-6\,a \,-9\,\,a\,b$

$(\,6\,a+\,5\,b)\,\times\,\,5 = $   ?

$\,30\,\,a \,-25\,\,b$ $\,30\,\,a +\,25\,\,b$ $\,-30\,\,a +\,10\,\,b$ $\,30\,\,a +\,5\,b$ $\,11\,\,a +\,10\,\,b$ $\,30\,\,a \,-5\,\,b$

$(\,2\,y\,-9)\,\times\,\,5\,y = $   ?

$\,10\,\,y^2 \,-45$ $\,10\,\,y^2 \,-9$ $\,10\,\,y^2 \,-45\,\,y$ $\,-10\,\,y^2 \,-4$ $\,10\,\,y^2 +\,45$ $\,7\,\,y^2 \,-4\,\,y$

$\,-3\,a\;(\,-7\,b\,-5) = $   ?

$\,21\,\,a\,b \,-8$ $\,21\,\,a\,b \,-5$ $\,-21\,b +\,15\,\,a$ $\,21\,\,a\,b +\,15\,\,a$ $\,21\,\,a\,b \,-15$ $\,-10\,\,a\,b \,-8\,\,a$

$(\,6+\,5\,b)\,\times\,\,6\,a = $   ?

$\,36\,\,a +\,30\,b$ $\,12\,\,a +\,11\,\,a\,b$ $\,36\,\,a +\,30\,\,a\,b$ $\,36\,\,a +\,5\,b$ $\,36\,\,a \,-30\,b$ $\,-36\,\,a +\,11\,\,a\,b$