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

$\,9\,x +\,4$ $\,13\,x$ $\,9\,x \,-8$ $\,5\,x +\,4$ $\,11\,x \,-8$ $\,17\,x$

$\,2\,y \times \,8\,x +\,9\,xy =$ ?

$\,7\,xy$ $\,25\,xy$ $\,2\,y +\,8\,x +\,9\,xy$ $\,19\,xy$ $\,-7\,xy$

$\,9\times \,x \times \,5 + \,x \times \,4\,x =$ ?

$\,-4\,\,x^2 +\,45\,x$ $\,4\,\,x^2 \,-45\,x$ $\,4\,\,x^2 +\,14\,x$ $\,4\,\,x^2 +\,45\,x$ $\,49\,\,x^2$

$\,2\,x \,-5\,y +\,y \,-4\,x=$ ?

$\,-2\,x +\,6\,y$ $\,-3\,xy \,-3\,yx$ $\,6\,x \,-6\,y$ $\,-2\,x \,-4\,y$ $\,6\,x \,-4\,y$

$\,-6 \,-7\times(\,-\,x\,) +\,8 =$ ?

$\,7\,x \,-14$ $\,-8\,x +\,2$ $\,-7\,x +\,2$ $\,7\,x +\,2$ $\,13\,x +\,8$

$\,6 +\,3\,x +\,5\,y +\,5\,x +\,1=$ ?

$\,-2\,x +\,5\,y +\,7$ $\,8\,x +\,5\,y +\,5$ $\,14\,x +\,5\,y +\,1$ $\,13\,xy +\,7$ $\,8\,x +\,5\,y +\,7$

$\,4\,x +\,1 \,-\,x =$ ?

$\,4\,x$ $\,3\,x +\,1$ $\,-5\,x +\,1$ $\,5\,x +\,1$

$\,-9\,x \,-4\,\,x^2 +\,8 \,-9\,\,x^2 +\,4=$ ?

$\,-5\,\,x^2 \,-9\,x \,-4$ $\,-13\,\,x^2 \,-9\,x \,-4$ $\,-22\,\,x^2 +\,12$ $\,-13\,\,x^2 \,-9\,x +\,12$ $\,12\,\,x^2 \,-9\,x \,-13$