$\,7\times \,x \times (\,-5\,) + \,x \times \,5\,x =$ ?

$\,-5\,\,x^2 \,-35\,x$ $\,5\,\,x^2 +\,2\,x$ $\,5\,\,x^2 \,-35\,x$ $\,-30\,\,x^2$ $\,5\,\,x^2 +\,35\,x$

$\,2\,x \,-4 +\,6\,x =$ ?

$\,8\,x \,-4$ $\,-4\,x \,-4$ $\,2\,x +\,2\,x$ $\,4\,x$ $\,4\,x \,-4$

$\,5 +\,5\times(\,-3\,x\,) +\,1 =$ ?

$\,-15\,x +\,6$ $\,2\,x +\,6$ $\,-15\,x +\,4$ $\,15\,x +\,6$ $\,-30\,x +\,1$

$\,-7\,y \times \,9\,x +\,2\,xy =$ ?

$\,65\,xy$ $\,-65\,xy$ $\,-61\,xy$ $\,-7\,y +\,9\,x +\,2\,xy$ $\,4\,xy$

$\,5\,x +\,6 \,-8\,x +\,4 +\,7\,x=$ ?

$\,6\,x$ $\,4\,x \,-2$ $\,14\,x$ $\,4\,x +\,10$ $\,20\,x \,-2$ $\,-10\,x +\,10$

$\,-2\,x \,-4\,\,x^2 +\,5 +\,6\,\,x^2 \,-9=$ ?

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

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

$\,-3\,x +\,2\,y$ $\,13\,x +\,2\,y$ $\,13\,x +\,4\,y$ $\,8\,xy \,-9\,yx$ $\,-3\,x \,-4\,y$

$\,4 \,-\,x \,-7\,y +\,9\,x \,-1=$ ?

$\,xy +\,3$ $\,-10\,x \,-7\,y +\,3$ $\,8\,x \,-7\,y +\,5$ $\,12\,x \,-7\,y \,-1$ $\,8\,x \,-7\,y +\,3$