$\,7 \,-5\times(\,-3\,x\,) +\,6 =$ ?

$\,15\,x +\,1$ $\,-6\,x +\,6$ $\,-15\,x +\,13$ $\,-8\,x +\,13$ $\,15\,x +\,13$

$\,-7\,x +\,6\,y +\,5\,y \,-9\,x=$ ?

$\,-16\,x \,-\,y$ $\,-16\,x +\,11\,y$ $\,2\,x +\,y$ $\,-\,xy \,-4\,yx$ $\,2\,x +\,11\,y$

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

$\,6\,x \,-3\,y +\,4$ $\,11\,x +\,3\,y \,-1$ $\,8\,xy \,-1$ $\,11\,x \,-3\,y \,-1$ $\,11\,x \,-3\,y \,-9$

$\,9\,x \,-7 +\,x \,-5 \,-6\,x=$ ?

$\,4\,x \,-12$ $\,2\,x$ $\,4\,x +\,2$ $\,-8\,x$ $\,2\,x +\,2$ $\,16\,x \,-12$

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

$\,x \,-8$ $\,-\,x \,-10\,x$ $\,-11\,x$ $\,-\,x \,-8$ $\,-3\,x \,-8$

$\,5\,x \,-4\,\,x^2 \,-5 +\,7\,\,x^2 +\,7=$ ?

$\,8\,\,x^2 +\,2$ $\,11\,\,x^2 +\,5\,x +\,12$ $\,3\,\,x^2 +\,5\,x +\,2$ $\,2\,\,x^2 +\,5\,x +\,3$ $\,3\,\,x^2 +\,5\,x +\,12$

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

$\,-8\,\,x^2 \,-56\,x$ $\,8\,\,x^2 \,-\,x$ $\,8\,\,x^2 \,-56\,x$ $\,-48\,\,x^2$ $\,8\,\,x^2 +\,56\,x$

$\,-9\,y \times (\,-7\,x\,) +\,5\,xy =$ ?

$\,-9\,y \,-7\,x +\,5\,xy$ $\,-58\,xy$ $\,58\,xy$ $\,-11\,xy$ $\,68\,xy$