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

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

$\,-9 \,-9\times(\,-5\,x\,) +\,5 =$ ?

$\,-14\,x \,-4$ $\,45\,x \,-4$ $\,45\,x \,-14$ $\,90\,x +\,5$ $\,-45\,x \,-4$

$\,-6\,x \,-5\,\,x^2 +\,1 +\,9\,\,x^2 +\,9=$ ?

$\,4\,\,x^2 \,-6\,x +\,8$ $\,14\,\,x^2 \,-6\,x +\,8$ $\,4\,\,x^2 \,-6\,x +\,10$ $\,10\,\,x^2 \,-6\,x +\,4$ $\,-2\,\,x^2 +\,10$

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

$\,7\,x +\,10$ $\,9\,x +\,6$ $\,5\,x +\,6$ $\,11\,x$ $\,-5\,x$ $\,5\,x +\,10$

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

$\,-9\,x \,-8$ $\,8\,x \,-9\,x$ $\,-\,x$ $\,7\,x \,-8$ $\,9\,x \,-8$

$\,2\times \,x \times (\,-3\,) + \,x \times (\,-7\,x\,) =$ ?

$\,-7\,\,x^2 +\,6\,x$ $\,-7\,\,x^2 \,-6\,x$ $\,7\,\,x^2 \,-6\,x$ $\,-7\,\,x^2 \,-\,x$ $\,-13\,\,x^2$

$\,-9\,y \times \,6\,x +\,4\,xy =$ ?

$\,58\,xy$ $\,-58\,xy$ $\,-9\,y +\,6\,x +\,4\,xy$ $\,-50\,xy$ $\,xy$

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

$\,12\,x +\,8\,y \,-15$ $\,4\,xy \,-15$ $\,4\,x \,-8\,y \,-7$ $\,12\,x \,-8\,y \,-1$ $\,12\,x \,-8\,y \,-15$