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

$\,10\,x +\,y$ $\,6\,x \,-\,y$ $\,9\,xy +\,4\,yx$ $\,10\,x +\,3\,y$ $\,6\,x +\,3\,y$

$\,6\,y \times (\,-8\,x\,) \,-9\,xy =$ ?

$\,-39\,xy$ $\,-57\,xy$ $\,6\,y \,-8\,x \,-9\,xy$ $\,-11\,xy$ $\,39\,xy$

$\,4\,x +\,8\,\,x^2 +\,3 \,-6\,\,x^2 +\,1=$ ?

$\,6\,\,x^2 +\,4$ $\,2\,\,x^2 +\,4\,x +\,4$ $\,4\,\,x^2 +\,4\,x +\,2$ $\,2\,\,x^2 +\,4\,x \,-2$ $\,-14\,\,x^2 +\,4\,x \,-2$

$\,-1\times \,x \times (\,-4\,) + \,x \times \,6\,x =$ ?

$\,10\,\,x^2$ $\,6\,\,x^2 +\,4\,x$ $\,-6\,\,x^2 +\,4\,x$ $\,6\,\,x^2 \,-4\,x$ $\,6\,\,x^2 \,-5\,x$

$\,2 \,-3\times\,x \,-3 =$ ?

$\,-\,x \,-3$ $\,3\,x \,-1$ $\,-3\,x \,-1$ $\,-2\,x \,-1$ $\,-3\,x +\,5$

$\,-5 +\,7\,x \,-2\,y +\,9\,x +\,3=$ ?

$\,11\,x \,-2\,y +\,3$ $\,16\,x +\,2\,y \,-2$ $\,16\,x \,-2\,y \,-8$ $\,14\,xy \,-2$ $\,16\,x \,-2\,y \,-2$

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

$\,-8\,x +\,12\,x$ $\,4\,x$ $\,-12\,x +\,8$ $\,12\,x +\,8$ $\,-4\,x +\,8$

$\,5\,x +\,8 +\,2\,x +\,3 \,-2\,x=$ ?

$\,9\,x +\,11$ $\,5\,x +\,11$ $\,16\,x$ $\,5\,x \,-5$ $\,10\,x$ $\,x \,-5$