$\,6\,x \,-7 \,-2\,x =$ ?

$\,4\,x \,-7$ $\,8\,x \,-7$ $\,6\,x \,-9\,x$ $\,-3\,x$ $\,-8\,x \,-7$

$\,-4\,x \,-5 +\,7\,x \,-8 \,-7\,x=$ ?

$\,-4\,x \,-13$ $\,-4\,x \,-3$ $\,-18\,x \,-3$ $\,-\,x$ $\,10\,x \,-13$ $\,-17\,x$

$\,-5\,x +\,4\,y \,-5\,y +\,3\,x=$ ?

$\,-2\,x \,-9\,y$ $\,-\,xy \,-2\,yx$ $\,-2\,x \,-\,y$ $\,-8\,x +\,9\,y$ $\,-8\,x \,-\,y$

$\,9 +\,8\,x +\,5\,y +\,x +\,2=$ ?

$\,9\,x +\,5\,y +\,11$ $\,14\,xy +\,11$ $\,18\,x +\,5\,y +\,2$ $\,7\,x +\,5\,y +\,11$ $\,9\,x +\,5\,y +\,7$

$\,1 +\,4\times\,8\,x +\,4 =$ ?

$\,32\,x +\,5$ $\,-32\,x +\,5$ $\,32\,x \,-3$ $\,40\,x +\,4$ $\,12\,x +\,5$

$\,9\,y \times (\,-6\,x\,) +\,6\,xy =$ ?

$\,60\,xy$ $\,-48\,xy$ $\,-60\,xy$ $\,9\,xy$ $\,9\,y \,-6\,x +\,6\,xy$

$\,5\,x \,-5\,\,x^2 \,-4 \,-6\,\,x^2 \,-8=$ ?

$\,-\,\,x^2 +\,5\,x \,-4$ $\,-6\,\,x^2 \,-12$ $\,-12\,\,x^2 +\,5\,x \,-11$ $\,-11\,\,x^2 +\,5\,x \,-12$ $\,\,x^2 +\,5\,x \,-12$

$\,6\times \,x \times (\,-8\,) + \,x \times (\,-4\,x\,) =$ ?

$\,4\,\,x^2 \,-48\,x$ $\,-52\,\,x^2$ $\,-4\,\,x^2 \,-2\,x$ $\,-4\,\,x^2 +\,48\,x$ $\,-4\,\,x^2 \,-48\,x$