$\,6 \,-7\times(\,-7\,x\,) \,-5 =$ ?

$\,49\,x +\,11$ $\,-14\,x +\,1$ $\,-49\,x +\,1$ $\,7\,x \,-5$ $\,49\,x +\,1$

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

$\,8\,\,x^2 +\,3\,x$ $\,8\,\,x^2 +\,10\,x$ $\,8\,\,x^2 \,-10\,x$ $\,-2\,\,x^2$ $\,-8\,\,x^2 \,-10\,x$

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

$\,18\,x$ $\,-3\,x +\,15$ $\,15\,x +\,15$ $\,15\,x +\,3$ $\,7\,x +\,3$

$\,-4\,x \,-3\,\,x^2 +\,9 \,-7\,\,x^2 \,-7=$ ?

$\,-10\,\,x^2 \,-4\,x +\,2$ $\,-14\,\,x^2 +\,2$ $\,-4\,\,x^2 \,-4\,x \,-16$ $\,4\,\,x^2 \,-4\,x +\,2$ $\,2\,\,x^2 \,-4\,x \,-10$

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

$\,4\,x +\,4$ $\,14\,x +\,4$ $\,-14\,x +\,4$ $\,-5\,x +\,13\,x$ $\,8\,x$

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

$\,-6\,xy +\,7\,yx$ $\,9\,x \,-8\,y$ $\,-7\,x \,-8\,y$ $\,-7\,x \,-6\,y$ $\,9\,x +\,6\,y$

$\,3 \,-2\,x +\,5\,y \,-5\,x +\,1=$ ?

$\,-2\,xy +\,4$ $\,-7\,x +\,5\,y +\,4$ $\,-7\,x \,-5\,y +\,4$ $\,-7\,x +\,5\,y +\,2$ $\,-4\,x +\,5\,y +\,1$

$\,5\,y \times (\,-2\,x\,) \,-5\,xy =$ ?

$\,-15\,xy$ $\,-2\,xy$ $\,5\,xy$ $\,-5\,xy$ $\,5\,y \,-2\,x \,-5\,xy$