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

$\,-\,x \,-14\,y$ $\,-3\,xy +\,2\,yx$ $\,13\,x +\,4\,y$ $\,13\,x \,-14\,y$ $\,-\,x \,-4\,y$

$\,3\,x +\,5\,\,x^2 +\,1 +\,\,x^2 +\,5=$ ?

$\,6\,\,x^2 +\,3\,x +\,6$ $\,4\,\,x^2 +\,3\,x +\,6$ $\,9\,\,x^2 +\,6$ $\,-4\,\,x^2 +\,3\,x +\,4$

$\,-5 +\,7\times(\,-4\,x\,) +\,6 =$ ?

$\,-28\,x +\,1$ $\,-28\,x \,-11$ $\,-8\,x +\,6$ $\,3\,x +\,1$ $\,28\,x +\,1$

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

$\,-16\,x \,-3$ $\,-5\,x$ $\,-2\,x \,-3$ $\,-2\,x +\,11$ $\,-13\,x$ $\,14\,x +\,11$

$\,-6\times \,x \times \,9 + \,x \times (\,-4\,x\,) =$ ?

$\,-4\,\,x^2 +\,54\,x$ $\,-4\,\,x^2 +\,3\,x$ $\,-58\,\,x^2$ $\,4\,\,x^2 \,-54\,x$ $\,-4\,\,x^2 \,-54\,x$

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

$\,2\,x \,-\,y +\,2$ $\,-7\,x \,-\,y +\,7$ $\,-8\,xy +\,11$ $\,x \,-\,y +\,11$ $\,-7\,x \,-\,y +\,11$

$\,-4\,x \,-8 \,-5\,x =$ ?

$\,-17\,x$ $\,-9\,x \,-8$ $\,x \,-8$ $\,-4\,x \,-13\,x$ $\,-\,x \,-8$

$\,7\,y \times (\,-8\,x\,) \,-5\,xy =$ ?

$\,-51\,xy$ $\,51\,xy$ $\,7\,y \,-8\,x \,-5\,xy$ $\,-61\,xy$ $\,-6\,xy$