$\,-9\,x +\,8 +\,4\,x +\,6 \,-4\,x=$ ?

$\,-9\,x \,-2$ $\,-7\,x$ $\,-9\,x +\,14$ $\,5\,x$ $\,-17\,x \,-2$ $\,-\,x +\,14$

$\,-3\,x \,-6\,y +\,2\,y +\,8\,x=$ ?

$\,-11\,x \,-4\,y$ $\,-9\,xy +\,10\,yx$ $\,5\,x \,-4\,y$ $\,5\,x +\,8\,y$ $\,-11\,x \,-8\,y$

$\,9\,x \,-8 \,-\,x =$ ?

$\,10\,x \,-8$ $\,8\,x \,-8$ $\,9\,x \,-9\,x$ $\,0\,x$ $\,-10\,x \,-8$

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

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

$\,7 +\,3\times\,2\,x +\,5 =$ ?

$\,20\,x +\,5$ $\,5\,x +\,12$ $\,-6\,x +\,12$ $\,6\,x +\,2$ $\,6\,x +\,12$

$\,4 \,-3\,x +\,9\,y \,-5\,x \,-6=$ ?

$\,2\,x +\,9\,y \,-2$ $\,xy \,-2$ $\,-4\,x +\,9\,y \,-6$ $\,-8\,x +\,9\,y +\,10$ $\,-8\,x +\,9\,y \,-2$

$\,-9\,y \times (\,-2\,x\,) +\,2\,xy =$ ?

$\,16\,xy$ $\,-9\,xy$ $\,-16\,xy$ $\,20\,xy$ $\,-9\,y \,-2\,x +\,2\,xy$

$\,-5\,x \,-7\,\,x^2 \,-5 +\,9\,\,x^2 +\,1=$ ?

$\,2\,\,x^2 \,-5\,x \,-4$ $\,16\,\,x^2 \,-5\,x +\,6$ $\,-4\,\,x^2 \,-5\,x +\,2$ $\,-16\,\,x^2 \,-5\,x \,-4$ $\,-3\,\,x^2 \,-4$