$\,4\,y \times \,8\,x \,-8\,xy =$ ?

$\,24\,xy$ $\,40\,xy$ $\,4\,xy$ $\,-40\,xy$ $\,4\,y +\,8\,x \,-8\,xy$

$\,8 +\,6\,x \,-8\,y \,-4\,x \,-3=$ ?

$\,10\,x \,-8\,y \,-3$ $\,2\,x \,-8\,y +\,11$ $\,2\,x \,-8\,y +\,5$ $\,-6\,xy +\,5$ $\,10\,x \,-8\,y +\,5$

$\,6\,x +\,9\,y +\,4\,y +\,x=$ ?

$\,7\,x +\,13\,y$ $\,15\,xy +\,5\,yx$ $\,5\,x +\,5\,y$ $\,5\,x +\,13\,y$ $\,7\,x \,-5\,y$

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

$\,-2\,\,x^2 +\,42\,x$ $\,2\,\,x^2 +\,42\,x$ $\,40\,\,x^2$ $\,-2\,\,x^2 \,-42\,x$ $\,-2\,\,x^2 \,-13\,x$

$\,-5\,x +\,9\,\,x^2 \,-6 \,-8\,\,x^2 +\,7=$ ?

$\,\,x^2 \,-5\,x +\,1$ $\,-17\,\,x^2 \,-5\,x +\,13$ $\,\,x^2 \,-5\,x +\,13$ $\,-4\,\,x^2 +\,1$

$\,6\,x \,-6 \,-\,x \,-9 \,-\,x=$ ?

$\,-11\,x$ $\,6\,x \,-15$ $\,7\,x$ $\,6\,x \,-3$ $\,4\,x \,-15$ $\,4\,x \,-3$

$\,7 \,-4\times\,9\,x \,-1 =$ ?

$\,-36\,x +\,8$ $\,-36\,x +\,6$ $\,36\,x +\,6$ $\,5\,x +\,6$ $\,27\,x \,-1$

$\,-4\,x +\,3 \,-2\,x =$ ?

$\,-3\,x$ $\,-4\,x +\,x$ $\,-2\,x +\,3$ $\,-6\,x +\,3$ $\,2\,x +\,3$